isa soares is with me as well. you have been throwing the proce -- following the series of events here. >> we don't know much in terms of who they are. but we know there was more than two people. that's what we have been hearing. we of course are in early stages of the investigation according to the metropolitan police. but let me give you a sense of how it unfolded. the first call at 8 minutes past 10:00 in the evening. there were people out drinking and busy areas of borough market. and this area, too, and what we had was these men in this van plowed into people on the bridge, hitting people, i think when the van was just swerving around. they then ditched the van there and on foot went to this area of borough market. this is a very busy area. lots of restaurants and food stores and posh food stores. very busy. they went on foot to this area with knife. rampage.s described as a it really was. >> weeard from one person that saw it happen. basically going into this restaurant and just started stabbing people. we th

. >> three attacks in the past three months, isa soares thanks. british leaders have been in crisis talks since shortly after at tacks. national election campaigning suspended for today. clarissa ward is outside ten downing street. the prime minister delivered remarks with a much tougher tone than we have heard in the past. >> reporter: that's right, john, she wasn't mincing her words here. in addition to the three attacks in the last three months, she said that actually five significant terror plots have been disrupted by security services during that time, so there is definitely a growing realization that this is a serious problem here in the united kingdom. the prime minister went on to kind of elucidate several ways in which she would seek to try to deal with this problem. she spoke of the need to deal with social media and with the tech giants who run these various social media platforms because of course this is the number one way in which what she called this sort of evil islamist extremist ideology is being proliferated and it's also the n

we are going now to isa soares at the burrow mark where the attackers went into cafes, pubses and restaurants and slashing people indiscriminat y indiscriminately. you were in contact with somebody is, right? as this attack was going on there? >> reporter: i was, indeed, christiane. this area borough market very popular and lots of restaurants and lots of lovely food stores as well. on a beautiful saturday evening the weather was so well in london, it was very, very busy. a friend of mine was in contact with me. he was in a restaurant when they arrived with a knife and he had to hide with his fiancee and two friend. one of them was a lady who was heavily pregnant. they hid in the bathroom for an hour and he was constantly calling me and asking me to call the police which i did and within an hour they left and are safe and the pregnant lady is doing well too. this is the high street. the cordon is still in place. if we can get the camera slightly to the left as possible. a group of people had been, as of yesterday, told to leave their hotels because of what had happened. that cordon is still i

. >> isa soar es, thank you four report. >> president renewed his call for the travel ban saying thet 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