hello and welcome. in the us, a police officer has died and another is in hospital after an attack on the us capitol. a man carrying a knife rammed a car into a barricade, before he was shot by police. president biden said he was heartbroken over the death of the officer. it s the second time the capitol has been targeted this year, after supporters of donald trump stormed the building in january. here s our north america editorjon sopel. sirens wail. we ve been here before. lunchtime on a cold easter day and another emergency at the capitol. sirens wail. a man in a blue car rams two us capitol police officers near a barrier. as he gets out of his vehicle, knife in hand, he s shot and has now died. immediately, congress goes into lockdown. a helicopter s summoned and lands in front of the capitol building. and the national guard, which has been on duty since the capitol riots ofjanuary 6, is mobilised. another terrifying moment for those who work in the congressional offices.
officer in the entire city. what s your you know, your view of that use of force during that time period? totally unnecessary. what do you mean? well, first of all, pulling him down to the ground facedown and putting your knee on a neck for that amount of time is just uncalled for. cnn security correspondent josh campbell joins me now. first of all, the top homicide detective in the city of minneapolis saying what officer chauvin das was totally unnecessary, those are very impactful words. reporter: good to be with you on you are inaugural show. the two key witnesses that were call this week, senior officers derek chauvin s fellow officers, rejecting the nothing that she was somehow acting under policy when he held george floyd on the pavement for nine minutes. the family of george floyd kneeling in protest just hours before the trial began. prosecutors open with a video that sparked a worldwide movement, capturing chauvin kneeling on floyd s neck, which they
worrying number, pennsylvania reporting more than 5,000 people testing positive, and in michigan today, more than 8,000 new cases. joining me now, you will recognize this fate. dr. anthony fauci, director of the national institute of already and infectious diseases. dr. fauci, thanks so much for joining us. we re a long way from days when scientists had to warn americans not to inject themselves with bleach. thank goodness those days are behind us, but there still seems to be a messaging problem. the week began of impending doom and ending with the cdc saying it s fine for fully vaccinated people to travel without tests or quarantines. can you help us clear up the confusion? do you great there might have been some confusion for people are still wondering? the point that dr. walensky was making earlier in the week, the thing we re concerned about, things are going extremely well with regard to the vaccinations, but what we are seeing after that big peak that we had around th
dozens killed and many more injured when a train derails in taiwan. derek chauvin s supervising officer tells the jury when george floyd should have been released from the choke hold as we enter day five of the trial that s gripped america and the world. and pfizer/biontech s vaccine provides at least six months of protection from covid-19. cnn has an exclusive look at how the shot is manufactured. live from cnn world headquarters in atlanta, welcome to all of you watching here in the united states, canada and around the world, i m kim brunhuber. this is cnn newsroom. we begin with breaking news out of taiwan where dozens of dead after a train derailed. you can see rescue teams here in this video helping survivors from the damaged cars, taiwan s government says at least 41 people were killed. we re hearing from the central news agency that the accident may have happened after a vehicle hit the moving train. let s go straight to ivan watson who is following the dev
chauvin s actions. what is your you know, your view of that use of force during that time period? totally unnecessary. what do you mean? well, first of all, pulling him down to the ground facedown and putting your knee on a neck for that amount of time is just uncalled for. i saw no reason why the officers felt they were in danger if that s what they felt, and that s what they would have to have felt to be able to use that kind of force. so in your opinion should that restraint have stopped once he was handcuffed and prone on the ground? absolutely. it appeared he had stopped putting up any resistance? absolutely, i would stop. cnn s josh campbell is covering the trial for us from minneapolis. josh, this may be some of the most devastating testimony yet for derek chauvin. yeah, absolutely, a devastating witness for the defense, and let s break down what we just heard there, and who this person was. this was a man who was the most senior police officer in