hello and welcome to our viewers joining us here in the united states and all around the world. you are watching "cnn newsroom," and i'mries rosemary church. just ahead on the heels of the g20 summit world leaders now head to glasgow for a major climate summit with a number of hefty goals on the table. disneyland in shanghai now on lockdown after reports of a

single covid case at the park. plus new details on a knife attack on a train that's left more than a dozen injured. we're live in tokyo. >> announcer: live from cnn center, this is cnn newsroom with rosemary church. thanks for joining us. well, leaders from around the world will gather in glasgow in the coming hours for a critical climate summit as a new report warns the earth is now in uncharted territory. the cop26 kicking off just as the g20 meeting wrapped up in rome on sunday. leaders there ended their summit with an agreement on climate but no firm pledges. several key goals included ending coal financing by years end and containing global warming to 1.5 degrees celsius, above pre-industrial levels.

now the pressure is on for cop26 to deliver more than just the usual empty promises on climate. the british prime minister is expected to tell world leaders it's time to move from aspiration to action to limit rising temperatures and take concrete steps to phase-out coal. among the key goals for cop26, securing global net zero by mid-century and keeping 1.5 degrees within reach. they also want countries to deliver on their promise of $100 billion a year to help developing nations fight the climate crisis. and cnn's phil black is following developments. he joins us now live from eden borough in scotland. good to see you, phil. so what concrete action can we expect to come out of the cop26 if any? >> reporter: yeah, it's really hard to say, rosemary. expectations are low. there is no reason for optimism at this stage.

the host prime minister boris johnson has been gloomily talking about the likelihood of failure and what the consequences of that would be. it's very different to the situation in 2015, the paris conference, the agreement that came from that. it was a break through success because it was a big picture feel good moment when the world committed to doing what the science says is necessary. that is limiting global average temperature increase to 1.5 degrees celsius. this time in glasgow it's going to be harder because this is when countries are supposed to put on the table the details, the plans, precisely how they're going to work towards transitioning into a low carbon future where they help achieve and they do achieve that goal. so that's why this conference will be pushing for big ambition. but at the moment, you know, the details on the table simply do not add up. they are completely insufficient in terms of achieving that 1.5 degree target. so pushing for big concrete measures like setting a date to stop burning coal for

electricity, to stop deforestation. a growing number of countries are coming into this conference with another big picture promise which is promising to hit net zero carbiby mid-century. but the science tells us clearly you can't wait ten years to do that. you've got to start doing that now. deep cuts otherwise that goal will be unachievable, rosemary. >> so what are environmentalists saying about their expectations, and what do they plan to do if the cop26 fails to take sufficient action? >> reporter: well, they are worried, obviously. and they say they will maintain the pressure in whatever way they possibly can. and that is one of the, perhaps the ultimate best case scenarios that could come out of this. is even if significant progress isn't made, breakthrough

progress isn't made these two weeks, enough progress is made to keep the process on track and along with a commitment to come back and review the cuts and the proposals and net progress not every five years as is currently the case under the rules of the paris agreement, but at least every year. the hope that sort of frequency, that regularity will bring greater urgency, more results and greater action more quickly. but at this stage that is just a hope. >> indeed. phil black joining us live. many thanks. during the g20 summit a few tensions flared between the leaders of france and australia over their scrapped submarine deal. but the french president said on the whole the talks helped re-create convergences and a sense of hope. cnn's nic robertson is live in rome, and he joins us now.

good to see you, nic. so what all was achieved at the g20 summit, and what more you learning about france accusing australia of lying about the submarine deal? >> reporter: yeah, emmanuel macron didn't precisely use the word "lying," talking about scott morris, australia's prime minister in terms of that submarine deal. australia was going to buy 12 diesel powered submarines from france and decided to dump out of that and go with eight nuclear powered submarines supplied by the united kingdom and the united states. what emmanuel macron said in essence is that scott morrison, the australian prime minister and american diplomats should have respected france more and been more open with him. this is his words. >> i think you can have disagreement. i do respect sovereign choices, but you have to respect allies

and partners and that was not the case with this deal. i have a lot of respect for your country. i have a lot of respect and a lot of friendship for your people. i do say when you have respect, you have to be true and you have to behave in line and consistently with this value. >> do you think he lied to you? >> i don't think. i know. >> so scott morrison says that he didn't lie, that france understood that australia was still considering its options, that it was well-understood that the current option from france didn't meet australia's strategic needs. however, he did say that he didn't explicitly explain to france that there was a nuclear powered option on the table from the united kingdom and the united states.

for the most part, however, the g20 fell short on the big goals. but there were still some diplomatic on the side line. a coin toss for good luck in rome's famous fountain. leaders at this g20 summit open for all help. some successes coming on the side lines. u.s. and eu reducing friction on aluminum and steel tariffs. >> this marks a milestone in the renewed eu-u.s. partnership. >> reporter: american-french friendship put back on track after a submarine deal soured relations. even british-french tempers frayed over fish tamp down, temporarily at least. perhaps president biden who missed the coin toss at the fountain and arrived beset by doubts about his and american

leadership gained most. >> we have to take action now. >> reporter: hosting a global supply chain event pushing leaders to ease bottlenecks and getting sign-off on a global minimum for corporate tax. >> well, i'm proud that the g20 endorsed the global minimum tax, and this is an incredible win for all our countries. >> reporter: but on the big ticket items, covid and climate, gains harder to see. commitments on covid vaccines rollout renewed. at least 40% global population by years-end. 70% by mid-2022. on climate committing to reduce emission intensity but not fully eradicate, agreeing only to end international financing for coal-fueled power generation by the end of the year. >> do we know exactly what the final goal posts of this transition is going to be? we don't. so we go step by step. >> reporter: and no specific

date set for global carbon neutrality. no later than 2060, falling short of a hope for 2050, a hard deadline, not a glowing report card. >> we've made some progress at this g20. we've had a reasonable g20, but there is a huge way still to go. >> reporter: johnson not the only leader disappointed. the u.n. secretary-general voicing his frustrations in a tweet. saying, while i welcome the g20's recommitment to global solutions, i leave room with my hopes unfulfilled but at least they're not buried. leaders now on their way to cop26, the climate summit in glasgow with this ominous warning from the u.k.'s prince charles. >> it is the last chance .

still to come halloween comes to an abrupt end at shanghai disneyland. we'll tell you why park officials had to shut the gates

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white house secretary jen psaki says she has tested positive for covid-19. sake said she last saw the president on tuesday, two days before he left. but she was outside and masked at the time. she dropped off the foreign trip shortly after president biden departed after members of her household tested positive. well, there's promising new data about america's fight against covid-19. the centers for disease control and prevention reports two-thirds of the country's population has received at least one dose of vaccine. that's more than 220 million americans. more than 18 million people have received a third dose of booster shots since mid-august.

on tuesday the cdc's vaccine advisers will consider whether to authorize the pfizer vaccine for children as young as 5 after the food and drug administration signed off on friday. if the cdc's panel and the agency's director approve, vaccinations could begin immediately. well, covid concerns have temporarily shuttered a major amusement park in china. shanghai disneyland announced sunday the park will be closed for at least the next few days after reports someone with a confirmed case of covid-19 visited. this video from sunday shows medical workers and police officers inside the park. officials say guests were required to take a covid test before they left. and cnn's stephen jung joins us from beijing with the very latest. good to see you. talk to us about this lock down, very serious and in response to just one confirmed case.

and when will those gates reopen, do we know? >> reporter: not yet, rosemary. as you mentioned this is how they deal with this situation in this country because as of now china is the only major country in the world that sticks to this zero covid policy. we have seen officials around the country adopt some very harsh measures we have previously only seen during the peak of the pandemic last year, including locking down entire cities with millions of residents inside and more recently stopping high-speed trains midway through their journeys because of close contact with one confirmed case were found to be onboard. now, this disney episode of course is going viral because of the extraordinary visuals and settings with a large group of medics in hazmat suits descending on the park when people were celebrating halloween. and of course later on you see that visual image of spectacular fireworks exploding into the night sky when thousands of people were being tested down

below. as of the latest we've heard from the government they have tested some 34,000 people who have visited the park during the two-day period last weekend. and all the results have come back negative. but those people along with thousands more who fit into that category will now have to self--isolate for two days and going through more rounds of testing in the next two weeks or so. so this, of course, is again being touted by the state media here as another vivid example of efficiency and effectiveness of the covid policy here. and given how this country works with its top down power structure and leadership priorities you're probably going to see things get greatly tightened again with the winter olympics and a major communist leader party being held here in a week. well, thailand is now welcoming fully vaccinated tourists from dozens of countries considered low risk

for the coronavirus. and they won't be required to quarantine. they've welcomed the first visitors with the rest of the country to follow. and this should give a much needed boost to thailand's vital tourism industry which has taken a massive hit during the pandemic. after 18 months of closed borders international travel has returned for parts of australia. and with it emotional reunions like these a few hours ago as sydney's airport. thousands of australians living abroad had been unable to return home due to the country's tough pandemic restrictions. but now the state of victoria and new south wales have ended quarantine rules for fully vaccinated travelers thanks to soaring vaccine rates. of course emotional homecomings, but so many australians who were actually locked out of their own

country for about 18 months, some living under dire circumstances. so what have you witnessed at sydney's international airport? >> reporter: rosemary, this morning at the airport it was really a celebration of the end of fortress australia, this incredibly strict border policy the australian government put into place last march to try to isolate the country from the rest of the world as the pandemic began to take hold. now, what australia did was it told its citizens only so many of you can come back each week. and when you do, you have to quarantine for 14 days in state-managed hotel isolation. well, on november 1st, today, those rules went out. here in sydney and in melbourne as well, two cities which are really leading the charge on vaccinations here in australia. meaning those communities here in melbourne as well ready to live with the virus, expecting

adults to be well over 90% double vaccinated. but, rosemary, the scenes at the airport this morning were a mix. there was a lot of emotion, a lot of disappointment about how people had been treated by the government. some 40,000 australians as you mentioned have been locked out of their own country. here's what one had to say. >> really mixed emotions to be back in australia. i'm here now for a wake to attend my father's funeral. i've been trying to get back the last couple of months to see my dad. >> reporter: now, the australian government says it has saved some 30,000 lives with its strict border policies which continue at least at a domestic level. states here in australia are cut

off from one another as there are strained differences between the states with covid-19 in the community like new south wales, victoria and the capital territory and states that haven't had a bad outbreak of covid-19. their vaccination rates are lower and they remain closed to the states where covid-19 is the in the community. so what they've done is they've said even if you're flying from overseas into sydney today, you can't come across the domestic state borders without quarantining for 14 days, rosemary. >> that is tough, isn't it? but new south wales, 80% vaccination rate. that's pretty impressive. angus watson joining us live from sydney. many thanks. a knife attack on a japanese train has injured more than a dozen people. what we know about the suspect and what witnesses are telling police. that's next. plus american airlines canceled more than 1,000 flights over the weekend, stranding passengers. the response from the airline

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welcome back, everyone. well, we are following reports of a knife attack on a train in tokyo. let's go now to blake who's live outside the train station where this happened. what more are are you learning about this horrifying attack? >> reporter: rosemary, look, it happened around 8:00 p.m. local time on sunday night. large amounts of people were streaming into the city center to celebrate halloween, but that train never made it.

stast s stopping here at the station behind me after a chaotic and horrific scene broke out onboard involving a deadly weapon. this was no halloween prank. as commuters in japan headed for tokyo city center on sunday, some ended up running for their lives. this video shows streams of panicked people trying to escape a train car where witnesses say a man who might have been dressed up as the comic book character "the joker" or possibly a different character was attacking passengers. observers say the suspect was waving a long knife. and according to japan's public broadcaster, nhk, set fire to the train after spraying lighter fluid across the seat. at least 17 people were injured including one man who police say is in serious condition after being stabbed in the chest. he was on the train and captured

this video. he told cnn he was incredibly scared and couldn't escape fast enough. >> translator: i do feel scared by this incident, but it's something you can't ever plan for. i think if it happened to me again all i can do is -- >> reporter: shortly before the attack began train operators say the train made an emergency stop. video here shows frightened passengers scrambling out of the windows and onto emergency platforms to try to get to safety. police say they've arrested a 24-year-old man on suspicion of attempted murder. they say the suspect dropped his knife when they approached him and told investigators he, quote, wanted to kill people and be given the death penalty. now, the reason that trail was full as people as it was on a sunday night was because of halloween. but unlike in the united states where halloween is geared toward kids, here in japan it's more for the adults. people will dress up in costume and celebrate in popular places

like shinjuku or the famous shibbia crossing which is where this train was heading. >> how often does japan see this sort of violent attack? >> reporter: yeah, you know, rosemary, very rare. again, while violent crime is rare in japan when it comes to mass killings, those responsible often result to using knives and arson instead of guns. now, this is the second attack on a train since august involving a man and a knife. during the attack a few months ago ten people were stabbed with the suspect confessing to police he just wanted to kill women who looked happy. of course, the situation last night could have potentially been a whole lot worse if guns were involved. but in japan gun violence is almost nonexistent. just to put that into perspective the number of annual deaths resulting from guns hasn't reached triple digits here in japan since the year 2000 with the number often in

the single digits. and the reason for that according to gun control advocates is because firearm regulations are extremely restrictive under japan's 1958 firearm law. most guns are illegal in the country. rosemary? >> terrifying experience for those people on the train. blake, many thanks for joining us live from tokyo. several people are injured after two trains collided sunday night in england. officers have been responding to the crash at the tunnel near salisbury station. police and rail investigators have declared it a major incident, but there are no critical injuries we know of and no one was killed. britain's transport secretary tweeted his thoughts to those affected and says an investigation is under way. still to come, abortion rights groups have found an unexpected ally in their fight against texas' near total ban on

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a newly released investigation by "the washington post" reveals in chilling detail the missed warning signs of violence by trump supporters before the january 6th insurrection. here's just one part. one of the most striking flares came when a tipster called the fbi on the afternoon of december 20th. trump supporters were discussing online how to speak guns into washington to overrun police. they offered specifics. those planning orders believed they had orders from the president using code words such as pick ax to describe guns and posted the times and locations of four spots around the country for caravans to meet the day before the joint session.

on one site a poster specifically mentioned senator mit romney as a target. according to the post tips started pouring in to security agencies weeks ahead of the insurrection, but the fbi regarded many statements to be protected via first amendment speeches. the fbi investigation found some pentagon leaders feared trump would misuse the national guard to stay in power. and an official who warned washington area hospitals to stock up on blood and prepare for a, quote, mass casualty event. the paper also described then president trump as a, quote, driving force in the weeks before the coup attempt inciting, supporting and freezing key federal agencies tasked with protecting the capitol. the report also dives into what happened as the insurrection unfolded. investigative reporter aaron davis told cnn's jim acosta

about that part of the investigation. >> we kind of took a little bit different turn in the story where we look more at the 187 minutes in between when the capitol was breached and when trump said anything to call off the supporters of his that were raiding the capitol. and so many things happened in those couple of hours. people died, people had heart attacks. you know, obviously the ashley babbitt shooting, just numerous tragedies in the course of those hours while he was doing that. with everyone we've looked at, you have to question why this crowd was allowed to get that close to the capitol that day. we are able to document i think in greater detail than i think has been done before. but there were warning signs of this violence dating back not just hours or days but weeks in advance. and then, you know, fast forward to the actual day on january 6th, there were signs of violence in the hours leading up to the breach as well. there were numerous firearms

taken off members of the crowd after they left the ellipse where president trump was speaking. even surrounded at one point in time park officers on the washington monument and started beating on the doors there. and there were violent signs all the way down the mall where this crowd moved, and yet there were basically allowed to walk straight into the capitol. >> and that was aaron davis from "the washington post" speaking to cnn's jim acosta. house democrat ruben gulego was there at the capitol january 6th. he told "the washington post" he thought he might have to fight his way out. he spoke with cnn about the latest investigation. >> to be honest it's nothing that surprises me. very good reporting goes really, really into deep, deep detail. for me it does make me wonder, though, had this been a group of, you know, muslim men trying

to operate this way across the country would there have been as much lax of a reaction or latino men or black men? the only reason, you know, this unit got close is because for some reason it's okay to be a white terrorist trying to attack your country. and somehow we just allowed it to happen, and it's ridiculous. there was a total failure upon everybody up and down the security spectrum, and they really need to be held accountable. and lastly, you know, it's one thing security failed. it's the other that the people who enabled it to actually get to that point. the president and all the president's men including people like mark meadows who tried to play both sides according to this report, really are the lawyers that put all of us in this spot. all eyes are on the u.s. supreme court . in the coming hours justices will hear arguments to the two challenges to the nation's most

restrictive abortion law. the law took effect after a supreme court and federal appeals court failed to intervene. it bans abortions after a fetal heartbeat can be detected usually around 6 week. that's before many women even know they're pregnant. it also makes no exceptions for rape or incest. perhaps most significantly the law will not be enforced by the state. instead it allows private citizens to sue abortion providers for alleged violations. for more on this we are joined by jessica levinson. she's a professor of law at loyola law school and joins me live from los angeles. always great to have you. >> good to be here. >> a big day for the supreme court as abortion providers backed by the biden administration prepare for arguments to their challenge to the near total ban on the procedure in texas. and now they have an ally in a

right leaning gun rights group. how is this likely to play out, do you think? >> how is this likely to play out, obviously is the big question. but it's so interesting that obviously a right-wing group has now joined with basically the department of justice abortion providers and said, we need to do something here because of how texas setup its law. let's think about this for a minute. normally a state passes a law and they enforce it. so if you want to stop enforcement you or a group of people go to federal court and you say this clearly violates the constitution as texas' law does clearly violate the constitution as it's currently understood. this federal court says, okay, you're right, this state cannot implement the law and there's an injunction. this is different because in this case texas decided private individuals would actually be the ones to sue and enforce the

law. they outsourced this. and so the question for the supreme court really is who can sue to stop this law, and who can be sued? it maybe doesn't sound as sexy as the is this law unconstitutional but it's incredibly important because if we allow texas to do something like this, then we will see potentially blue states, democratic states doing the same thing. and that's why this gun rights group is like, no, no, we need to weigh in here. >> exactly right. and let's look deeper into that because how dangerous a precedent could this be if it stands? >> it could totally upend our understanding of how we enforce laws, who can be sued when we're trying to stop unconstitutional laws. and it would really take power away from federal court. and that's why the new solicitor-general, she's been on the job for i think about 9 to

10 hours now. she's going to be the one arguing this on behalf of the department of justice. the opening line of her brief says supreme court basically don't do this to yourself. don't take this power away from yourself. it has to be the department of justice can sue a state who passes a law like this. and so it's so consequential because otherwise we've essentially allowed states to just take the power of federal judicial review away from us. and we shouldn't see that power. >> and as you point out the texas abortion law, it was cunning in its writing, wasn't it? written to impede courts from ruling on constitutionality before it takes effect. how could that possibly be legally acceptable when we know that abortion is protected under the supreme court's 1973 roe v. wade ruling which recognized a woman's constitutional right to terminate a pregnancy and

subsequent decisions. >> how could this possibly be is basically what justice sonia sotomayor said in her dissent when this case went up to the supreme court. we all remember they did nothing for 24 hours this was challenged, and then they said, you know what, this is just so procedurally complicated we're going to have to let thegs law stay in effect while we kind of sort it out. but you can bring other challenges to us. now, let's remember this is another challenge now. it's the department of justice and abortion providers saying we're coming back up with a new question. can we sue? and who can we sue? but to your question of how can this happen, let's imagine that you hurt your ankle, you go to a doctor and your doctor says, god, that's a bad break i'm really not sure, walk on it for a few more weeks and then come back to me. and maybe come back to me and i'll have a better sense when

you're more injured what to do. that's essentially what the supreme court did here. >> yeah, that's a good analogy. many thanks to jeksssica levins joining us there and explaining it to us. appreciate it. >> thank you. coming up, facing elimination the houston astros battle from behind the win game five of the world series. the highlights after the break. new vazalore is the first liquid-filled aspirin capsule clininically shown to cause fewer ulcers than plain aspirin. vazalore is designed toto help protect... releasing aspirin after it leaves s your stomach... where it is absorbed to give you the benefits of life saving aspirin... to help prevent another heart attack or stroke. heart protection with your stomach in mind. try new liquid-filled vazalore. aspirin made amazing!

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baseball's world series is headed for a game six. the houston astros battle from behind game five to beat the atlanta braves 9-5 sunday night. it was a wild slugfest. the astros came back from a four-run deficit in the first inning denying atlanta a chance to clench the title in front of their fans. the braves still hold a 3-2 series lead. they'll now return to houston for game six tuesday night. it's been a rough weekend for travelers flying american airlines as they canceled hundreds of flights sunday. the airline has now canceled more than 1,500 flights since

friday. cnn aviation correspondent pete munteen has our report. >> reporter: the truth is no airline is immune to these cascading issues. now it is american airlines which canceled more than 800 flights on sunday, more than 500 on saturday, more than 300 on sunday. that means 1 in every 10 flights over that period was canceled. but american says this really all started on thursday when high winds and bad weather hit its main hub at dallas fort worth that kicked off a chain reaction of cancellations leaving planes and crews out of position. the ceo sent a letter to the entire airline saying he wanted to build certainty into the operation so the airline proactively began canceling flights. but that left thousands of passengers stranded in long lines across the country. >> i don't understand why it's canceled. i heard they didn't have enough staff. well, you sold me a product.

i paid for it, now it's your job to get me there. >> reporter: remember this is not just about staffing. that is only part of the issue here. a bit of good news, though. american says about 1,800 flight attendants are returning from pandemic leaves of absence starting monday. the airline insists that this problem will be over soon. pete muntean, cnn, washington. >> and thanks for your company. i'm rosemary church. enjoy the rest of your day. "cnn newsroom" continues next with isa soares. [♪] did you know, you no longer need to visit a dermatologist to get access to top skincare ingredients? introducing dermageek featurining top dermatologist recommended ingredients and 0% fillers. dermageek's new detoxifying facial serum

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the solution to climate change is clear. >> not only russia but china basically didn't show up in terms of any commitments to deal with climate change. >> we face a simple choice. we can act now or regret it later. hello and a very warm welcome to our viewers joining us in the united states and all around the world. i'm isa soares right here on "cnn newsroom." climate commitments. world leaders meet in glasgow. will it be immediate action? alerts of deadly view he lens.