except by that ideology. what does enough is enough mean practically? >> that's the big question because she announced a campaign against islamist extremism. this is of course what the government in they try to introduce a bill for the past two years, a counterterrorism bill which failed because they failed to define extremism in a -- way. it will be important to find out what exactly theresa may is proposing beyond a wide sweeping statement. >> peter and juliette. thank you. back mom. in a moment. i'm christi paul. >> i'm victor blackwell.

we will go back to christiane amanpour in london in a moment. >> we want to cover the breaking news to get you caught up on the terror attack in heart of london. moments ago, british prime minister theresa may spoke about these attacks and she blamed specifically islamic extremism for the attacks and said there is too much tolerance of extremismi streamism in the united kingdom and they need to find that in terms of what so the web and online. >> right now, forensic investigators are at the site of terror attack looking for evidence. seven people are dead, three 48 people are seriously injured. we know from the mayor of london that some of them are in critical condition. after police say a van barreled into pedestrians on london bridge, the attackers jumped out of the van and stabbed people in

near borough market. the police are telling people to stay inside. >> cnn is covering this story from all angles. >> we have cnn anchor and chief international correspondent christiane amanpour in london. cnn senior international correspondent clarissa ward outside of the british parliament and phil black also with us. give us what you're hearing this morning and the important comments we heard from the british prarm theresa may saying some of what we heard before but taking further steps further than what we have heard her go befo before. >> reporter: the last half hour the prime minister came outside and make a defiant and extensive declaration on what happened and what needs to happen she considers is the threat as close as we can get to london bridge where the van swerved and got on

to a curb and attacked people in a vehicle and ran three attackers in a borough market and stabbing people and seven killed and 48 hurt. some of those critically wounded according to the mayor and the police on high alert. we did hear theresa may saying five plots disrupted since march. this is the third that has happened since march. westminster in march, manchester as we saw two weeks ago, london, as we saw last night. she laid the blame squarely at what she called a violent islamist extremist ideology saying none of these, as far as security knows, is connected physically or in terms of a network but all are connected, she said, with a violent and radical ideology that needs to be defeated and that she had cannot be defeated by military or intelligence or police means alone, but had to be defeated by

ideology and, of course by the internet where she says gives a safe space. c clarissa ward is at downing street. you were there when she was talking about combating the ideolo ideolo ideology. >> reporter: she wasn't mincing her words and said clearly enough is enough. she said great britain has been too tolerant for too long of extremism and she called out social media companies and tech companies have to bear more responsibility for the fact that these social media sites have become somewhat of a breeding ground and that has allowed the so-called copycat killings in a sense and she made it clear the three attacks in the uk the last three months are not connected and somehow the ideology spread on the social media sites is inspiring so many young people

to launch these kind of attacks and where why we are seeing recurring themes of use of vehicles. we saw that happen in nice last summer and berlin over christmas. we saw it on westminster bridge and because we have seen isis come out repeatedly and say to their followers if you can't get a hold of a gun or you can't build a bomb yourself, take whatever you can and improvise, use a rock, a vehicle. that gets proliferated over the social media sites and disseminates on ward to people inspired or on the ground. she was very tough on those. she also said that life will go on as normal. today, campaigning has been cancelled for the day. the british election, britons will go to the poll and pick their next prime minister on thursday but campaigning will start tomorrow and life on as

usual and did not raise the threat level to critical a week ago it was at critical the highest in a decade but not this time. she said no need for that now but everybody keeping a close eye on it. one final point i would just add which is so striking, she had five other terror plots have been foiled in last few months but beyond that, we heard from security service after the manchester attack there are some 500 investigations going on into potential terrorist actively involving 3,000 individuals and that gives you the sense and scale of the scope of the problem that britain is up against. >> reporter: in manchester, our phil black is. just barely two week after that devastating attack that killed 22 people and put dozens in the hospital. again, many in critical conditions. ariana grande is coming back to

give a concert along with coldplay and others for the benefit of the victims. it's incredible, phil, it's going forward, given not how soon it is after that attack but in the aftermath barely 24 hours after the london attack. >> it was always meant as a defiant event. it takeses on a whole new residence now after the events in london. the organizers of the concert say it will continue and with greater purpose and they feel a responsibility to those lost injured and affected in manchester and london. it is all about giving a powerful message that says hatred and fear cannot win. with all of that in mind it's going ahead and going ahead in an environment that you can only describe as really still very emotional. there is a great deal of emotion, raw emotion in manchester, still two weeks after the attack here. we still see huge numbers of people here coming to the memorial in the center of town leaving tributes stopping to

think. we seen people crying openly today and that is still happening. now today the people in manchester know that those in london are feeling exactly what they are feeling. those feelings are even more intense as a result of that. for all of those reasons it's going to be an emotional night. there are huge logistical challenges. 50,000 people will be attending this event and security is clearly the priority. policing that event searching every single individual that goes into the concert that is going to take an incredible amount of resources and manpower an planning and they have to continue protecting the city at large as well. here in manchester there is so much that says the city has gone back to normal in many ways but it really hasn't because the security presence is so high. the emotion is still very visible here on the streets.

it's very raw and leading up to the concert by ariana grande and justin bieber and coldplay and rges will be here. all of it, the fans, the people who will be attending all united in this common purpose to try to send a powerful message, one that will help heal this city. they hope. christia christiane? >> thank you, phil. we will be hearing from sadiq khan, the mayor of london. we will ask him, what can, if anything, be done to prevent this again. that is after a short break. if you have moderate to severe rheumatoid arthritis like me,

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deadly attack late last night. the death toll has been raised to seven and 48 people. rememb we are going to the mayor of london sadiq khan who is at scotland yard. mayor, thank you for joining us. the met police chief earlier today said these are, quote, hard to predict and hard to prevent. as we have seen three months of attacks here in lopped. are you preparing for more of this? what can you tell the people of london? >> well, look. at the moment, words can't describe the word and the anger and the grief, of the feelings we saw last night. terrorists deliberately targeted. innocent londoners and visitors to our city enjoying a saturday night out. there will be no justification

for these evil and cowardly acts of terror. we recognize over the last two or three months, we have seen an attack on westminster bridge. we have seen an attack in manchester. we have seen an attack last night. now, the reality over the last four years, because of the fantastic work of the police and the security services, as a result of the cooperation of the communities, we have thwarted a number of attacks over the last four years, but, unfortunately, in march and in april and now today, last night, we have seen terrorists be successful. what we need to do is make sure that just like the terrorists evolving and finding new ways to harm us, to disrupt us, we have got to find involved new ways to keep us safe. over the next feud, londoners and visitors will be seen an increased police presence that will include increased uniform

officers and plain clothes officers. that means visitors to our city, londoners should know that we are the safest global city in the world. one of the reasons why we are kept safe is because of the hard work of our police and emergency services. >> right. well, on that note, obviously, you've all been touting correctly the massively fast response last night and how these people were killed, the attackers, the three of them were taken down within, we are told, eight minutes of the first call, but the metropolitan police, where you are right now, the chief said this is, obviously, going to require a whole new discussion about our level of resources. i've just been speaking to a former deputy commissioner who said that the systemic cuts in police, body on the streets, the

people who go into the cafes and people's home and talk and make relationships on the streets, they have been cut and that can't go on much longer and has to be reversed. do you agree? >> i agree. i've been saying a period i think it's not sustainable to keep on the service that this police receive. today not a day for party politics. today is a day to investigate what happened last night but do what we can to keep our city safe. but you're right. the basic premise has to be to recognize, just like terrorists, and finding new ways to harm us, we have to evolve and find new ways to keep us safe. part of that is to recognize the most valuable source of intelligence we receive is from members in the community and means having police officers in active communities who the communities trust to provide information with, but also an increased police officer

presence in london and that includes increased numbers of armed officers. we don't want to be an armed police service but we do need to make sure we have efficient numbers of armed officers across our city. i'm confident that the armed officers we have do a brilliant job. we have the right number for the moment. i authorized an additional 600 when i became the mayor. the response last night was fantastic. within a couple of minutes, the police had emergency sservices there. they tackled the terrorist and shot them head on, shot them dead, but also tended to the injured and also two officers off-duty acted heroically as well so we have to make sure we at the right level of sources who the terrorists want to attack in this city. >> i want to ask you if you know of any other plot or -- if you

know of any other details from the met police but also ask you because you're london's first muslim mayor. you won over hope versus fear. the prime minister says there has to be conversations amongst many people to rout out the threat within comuns and there is too much tolerance of extremism in london. what needs to happen next in that regard? how do you read that? >> just to reassure your injuries, london is the safest global city in the world. the threat level hasn't change as a result of last night. properties have been raided this morning and we are not increasing the threat level any higher than it currently is. to reassure londoners and visitors to make sure we are safe, there will be increased police presence over the course of today and the next few days. i've said for a while now, we have to make sure in the west

that we recognize that actually islam is not incompatible with western liberal values. actually, terrorists think islam isn't compatible with the pest. i've always said that is not the case. what we need to do is make sure we are teaching our youngsters the rils so when it comes to somebody brainwash them, groom them, today by the internet to reverse the twisted ideology. also we have to make sure that as we are successful in stopping physically creature of individuals going through mosques and holes we are not allow them in the back door by the internet. we have to work with the internet service providers to make sure they are not hosting preachers who are having this poison ideology but once they are alerted to this stuff, that they take down this stuff as

soon as possible. all of us have to work together to make sure we don't allow a terrorist to cause terror in our communities, but also to fuel division. look. what do they want? us to be scared and coward and us to turn against each other and not vote this thursday in the general election. we enjoy mixing and mingling on a saturday night. we are not going to change that. we montgomery allow them to change our way of life. >> mayor sadiq khan, thank you so much for joining us. we will take a short break. when we come back, we will more of the eyewitness reports to has dramatic attack last night.

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around the world, i'm christi paul. >> i'm victor blackwell. christiane amanpour is live with us in london and we will return to her moment. we cover the terror attack in london. the british prime minister blaming islamic extremism for the attack. she had we need to make sure the police have the powers they need. >> it is time to say enough is enough. everybody need to go about their lives as they normally would. our society should continue to function in accordance with our values but when it comes to taking on extremism and terrorism, things need to change. >> right now, forensic investigators are at the site of the attack looking for evidence after this night of violence. seven people are dead. at least 48 people are seriously injured. here is what happened last night.

>> reporter: terror in london. starting with a van careening into crowds of people on the city's iconic london bridge and ending with several stabbings in a popular restaurant area. it is the third terror attack in the uk in the last three months. police say they shot and killed three attackers. >> about six or seven sometimes we heard guns going off down the street and every time three or four gunshots. >> reporter: calls coming in after 10:00 p.m. local time people being mowed down by a van on london bridge. one identifies the van swerving and tossing one person 20 feet into the air. >> within my line of sight, about five or six bodies that i could see on the ground of people who were not moving. >> reporter: second later, the van crashed near borough market, the bar and restaurant area that was packed on a busy saturday night. according to police the suspects got out and started stabbing

people. >> i literally turned around and there were three men standing there, one of which had a machete and had this sort of belt on. we didn't really -- they just looked at us and i didn't really know what to do. >> reporter: the market is area police say they shot and killed the three male suspects. this image from the scene of what could be two of the assailants on the ground. london's mayor has this message for his city. >> londoners will see an increased presence today and over the course of the next few days. no reason to be alarmed. i'm reassured that we are one of the safest global cities in the world. >> reporter: >> cnn has a constant presence there in london, as well as in manchester where we have learned the concert with ariana grande is, indeed, moving forward so stay here with the latest developments on the london, england attacks more. >> let's go live back to christiane amanpour who is as close as possible to the scene of the start of this attack at the london bridge. >> reporter: that's right.

as you've said, you know, the last couple of hours the death toll has risen to seven and people in hospitals around london and many of those in critical condition. we had an exclusive interview with the mayor of london sadiq khan who said this is all really going to focus everybody on new methods of trying to keep safe. these are the discussions under way but they praise the police for their very rapid response in taking down the three attackers as they say within eight minutes of getting the first call. also world leader reaction is pulling in. the first was macron of france who had the first terrorism including an attack in nice. vladimir putin, is also angela merkel and justin trudeau, many of the commonwealth leaders

condemning what happened here overnight and offering support and president trump tweeting and offering whatever help possible and saying the united states stands with britain. we go to juliette kayyem. you've been listen to go the developments and what the officials are say, both the elected officials and security and police officials here. when you look at this, how do you slot it into a new reality? we have three attacks here in great britain in the last three months. they are not all the same. two of these vehicle bridge and knife attacks. one suicide bombing attack just two weeks ago in manchester. has the prime minister saying they are not all connected but they are connected, she had, by an ideology. >> that's exactly right. she was pretty strong about that. my big takeaway from her announcement in tone was different even from the manchester statement that she

had were the word enough is enough. those were political words. she has campaign coming up but they were also, i think, a sign that the challenges britain has had regarding sort of integration, some of their counterterrorism laws that she issued wins again in the election will be pushing those much further. so i think you would expect to sort the political push in terms of laws and freedom of association, surveillance of mosques. i think she was really tipping her hat to that. one of the reasons why is what you said, which is these are not related. you have three attacks in a relatively short period of time all of them successful to some degree. manchester, of course, being the worst. and none of them tied to each other. now, we don't know what this most recent attack, whether there are outside forces that brought those three together to plan this attack, or if it was sort of self-radicalization amongst three men. but it is a different type of

attack that we have seen before. this is not a lone wolf attack. it is more akin to 2005 where you have a group planning an attack and even though it wasn't very sfistophisticated, a car a knife but it rains terror in london as they go into an election week. >> reporter: exactly. as the met police chief said, hard to predict as you can see and, therefore, hard to prevent. as i said, donald trump, the president, tweeted overnight support for great britain and we are with you, but also talked about reupping his plea for his muslim travel ban to be reinstated. talking about stopping people from coming in. and you just mentioned immigration here in england. but most of these, we don't know who these people are and they are being investigated the attackers but most of them that we have seen the last more than a year or so have been home-grown. put the political context in with the security and policing

context. >> right. so this is the challenge is that people kblbelieve, right? this is person infiltrating from syria and iraq but look at the data. both in the united states and in britain and in france, these are home-grown terrorists. some of them first generation and second generation and born in this country and in the united states these are men not immigrants in a lot of the cases and who became radicalized here. this idea there is some outside way or policy that we can stop these bad things from coming in is just not -- it's just not realistic. the muslim ban, simply it would not be a solution to what we are seeing in europe because the muslim ban would not apply to britain or france, at least as understood right now. but it's something that people sort of have in their head and it's just simply not true.

these are domestic internal problems having to do with radicalization and they are very difficult to stop. so then that gets to the second piece which is this was also a success. it's very hard for people to admit that, but in some ways, the measure of success of these terror attacks in terms of their capacity to kill lots of people, the response time, the ability of the city to get back up and running is measured by the quick response of first responders. so one of the reasons people like me have been saying this was an incredible response is because you had a more limited death toll than you might otherwise have. unfortunately, in this day and age how you sometimes measure success. >> indeed. as you talk about quick responses, you can hear the sirens. still ambulances and, obviously, police. there is a much heightened presence, rather, right now of all the security and emergency service and that is likely to continue for a while. we will take a quick break. we are going back now to christi

and victor. >> christiane, thanks so much. you mentioned the sirens there and investigation going on. we have learned from the mayor there of london sadiq khan there are raids going on now on properties in london this morning. so this investigation which, obviously, began immediately after this attack is now expanding as there are still several areas, several blocks that are cordoned off across london. >> a fluid situation although he did mention he's not raising the terror level there. it will remain at the severe level, although, obviously, it is all heightened right now. u.s. cities are on high alert after these london attacks all over the place, including maybe here in the united states. president trump, his offering to help the uk and he brings up his travel ban saying that is the best way to keep the u.s. safe. stay close. we will talk about that. look closely. hidden in every swing, every chip, and every putt,

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police are raiding certain properties in london. this is happening this morning after the terror attack overnight in the heart of that city. moments ago, mayor sadiq khan spoke about the terror attacks themselves. let's listen. >> today is not a day for party politics. today is a day to investigate what happened last night and do what we can to keep our city safe. the basic premises has to be to recognize terrorist and new ways to harm us, we have to evolve and find new ways to keep us safe. >> we know police have carried out raids on properties across london this morning and forensic investigators are at the site of the attack, looking for evidence, asking people inside those cordoneded areas to stay inside. seven people are dead and 48 people at least are still in the hospitals with serious injuries. some of them. cnn international correspondent suarez is live at borough

market. what is happening where you are? >> reporter: this is the main high street where it all unfolded yesterday. you'll be able to see past the cameras a group of people trying to get past the cordoned. if you remember yesterday, this area was all of the hotel and many hotels and restaurants completely emptied by the police. now we have been told that people are being allowed back into the hotels to collect their suitcases. this is, of course, a very touristy area and it's very close to london bridge and lots of bars and restaurants. this is the first time we have seen people going back into the hotels to try and collect their luggage as they go inside one-by-one, what i've seen is police speaking to them and taking down just their notes of witnesses of what they saw. interesting because this was happening yesterday, londoners were opening their doors to people who didn't have homes on but this is the spirit of london

but nevertheless this cordoned remains in place because although as we heard from the met commissioner today although they believe this incidence is over, this investigation is ongoing and raids are still ongoing and throw they don't know whether it's just those three individuals that were killed, they are to ascertain whether anybody else was involved in the plan. take a listen to this witness to what he said. >> it was like a big panic kind of thing. >> reporter: people running? >> people running. screaming. some were in tears because of what they were seeing and things like that. it's a bit crazy. so many different emotions. also a lady, like a small family, blocking her kids from around a corner. she probably seen things i hadn't seen. the look on their face. you could tell like they are not going to recover so as well from

that. >> reporter: the man there very, very affected by what he saw yesterday because he thought it was just a car crash. when you went further down the bridge he realized it was something bigger. london rattled by this horrific incident but they are saying they are not coward by terrorists. >> isa soar es, thank you four report. >> president renewed his call for the travel ban saying the u.s. needs that extra level of security. ryan brown is live for us in washington. what are you hearing from there, ryan? >> reporter: as you said, donald trump was both quick to sound support for the uk. he had a phone call with prime minister theresa may where they discussed the issue. he tweeted out his support saying that unthe united states stood very close by as one of its key allies, but he followed it up with another tweet,

talking about the need to, in his word, kind of bring through the travel ban which, of course, would apply to several muslim majority countries. again, that travel -- those travel restrictions are going to in front of the supreme court which will decide whether or not to allow it to go ahead and its constitutionality is determined. using this event in london, this terrorist attack, to draw attention to his proposed restrictions from travel from these countries. it's not clear in this particular attack in london where the perpetrators are from, whether they were uk citizens or whether they were from? of the countries mentioned in the travel restriction. the manchester attack was ties to libya so that had a relation to the travel restrictions. president trump again very quick to advocate in his word what he referred to as travel ban language that the administration had got away from but, again,

calling for new travel restrictions to go through on these muslim majority countries and tying it to this most recent attack in london. >> ryan brown for us in washington, thank you so much. >> we will listen to following what is happening in london with the very latest as it is a very fluid situation. with we look ahead to this week, we will watch there. domestically, taking a look what is going to happen in washington. do not miss our live coverage, special coverage this week. former fbi director james comey testifying before the senate on thursday and we will have it for you starting at 9:00 a.m. eastern starting here on cnn. >> we are learning more about those wounded in the attacks. dozens of people being treated at hospitals. five of them across london. we got a live update from one of those hospitals on the victims next. >> i visited one of the hospitals where the injured are being treated.

there, i heard truly remarkable stories of extraordinarily brave actions by officers on and off duty who were first on the scene.

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we get you back to our breaking news coverage of the terror attacks that happened overnight. london mayor sadiq khan saying, the city need to find and evolve new ways to keep everybody safe. >> we are getting this in from the scene there. a video of the attack where seven people were killed, at least 48 seriously injured, after a van barreled into pedestrians on the london bridge there. the three men inside that van jumped out and stabbed people in a nearby borough market before they were shot and killed. i want to update you on something we are getting in from the home secretary explaining why the terror threat level is not being raised.

it is currently at severe. the home secretary says no additional element at large after this attack which is why they are not raising it. you remember they raised it after the manchester attack and this is why. police had to be absolutely sure there was no additional material, explosives out there. they now, in this case, believe there are no additional elements. it will be staying there at severe which means another attack is likely but is not eminent. >> they are basically saying the three they shot and killed is the three. kings hospital, 14 of those were injured and simon is there. how severe are some of these injuries. >> reporter: another hospital isn't releasing that information yet. the most information they have given us is in a statement overnight where they have said that 14 people were brought to

the hospital here after the incident after london bridge and borough market. they have told us six of them are female and eight are males. they haven't said whether they are children or adults either. i can tell you that there is a massive police presence here at the hospital right around the perimeter. five police vans alone just at the front of the hospital. this is the main entrance. the accidents and emergency wing here, the ambulance entrance here as well. there are police officers on guard here for obvious reasons. very heavily guarded hospital right now. 14 people were brought in overnight and one has been discharged. we will share with you the information as we get it. as for those worried about their loved ones, they have told us they are not dealing with people directly. they are asking everyone to call the metropolitan police casualty bureau.

that number is widely available on social media and online. 0800 789 321. 14 people are still being treated here. >> saima, any word of whether the hospitals collectively will give some sort of press conference or give out some more information about the people that they have there and what their conditions are? >> reporter: yeah. we have been asking about that this morning. and, indeed, if anyone plans to visit. the prime minister, the london mayor, we have seen visits in the past, of course, to the victims. right now, they are keeping tight-lipped. we have called the press officer here several times and each time, he has been in some kind of emergency meetings with officials and staff here. obviously, this is a hospital dealing with a major crisis. the crisis response was quick to

respond last night. we are told, that, of course, police responded within eight minutes and determining the scenario that was unfolding on london bridge and borough market. the ambulance was there too. they are keeping tyight-lipped and not sharing information about the injuries but as soon as there are any kind of press conferences, we will bring those those to you. >> saima, thank you. >> when we come back we will hear from more witnesses of this horrific attack there on london bridge. >> police came in very quickly and took control of the situation but, again, a lot of noise, a lot of loud noise. either more crashes or more gunshots. we weren't sure. ♪ when heartburn hits fight back fast with new tums chewy bites. fast relief in every bite. crunchy outside. chewy inside. tum tum tum tum new tums chewy bites.

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we are hearing from more of the witnesses of this tragedy that happened in london. the attacks as they happened. body being thrown into the air. people being stabbed as well. >> yeah. it started, obviously, as a saturday night on the town and this is what it turned into.

>> i was on london bridge. what i saw was a van coming across london bridge. at a high speed and serving on and off the pavement. it knocked over several people, came within about 20 yard of where i was. it knocked somebody nearly 20 feet in the air. we saw a car and saw a few bodies being flipped into the air. in my line of sight, there were five or six body that i could see on the ground of people who were not moving. about five, ten minutes later, i heard quite a lot of gunfire, sounded like gunfire. i would about six or seven time we heard gun going off down the street. each time, three or four, maybe more gunshots at a time. first one we probably heard 10, 15 gunshots. i turned around and three men standing there and one had a machete and this one girl saying they are stopping people and stabbing people. >> they came down from their

home and some were barefoot. >> suddenly i hear police shouting so i keep my head down and turn around. heavy police presence pushing two, maybe three, guys up against the wall. >> people running away as fast as they could. this is cnn breaking news. welcome to our viewers around the world and in the united states. i'm christi paul. >> i'm victor blackwell. christiane amanpour is there in london. we have more breaking news. british prime minister theresa may saying islam extremism is responsible for the attacks. >> while the recent attacks are not connected by common network,