Page 5 - Terror Level News Today : Breaking News, Live Updates & Top Stories | Vimarsana

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 ...

. >> you can certainly hear the confusion. cnn has not been able to confirm the authenticity of the video, but we want ed to play it for yu so you get a sense of what's going on on the ground right there. with us now cnn global affairs analyst kimberly dozier, i think it's very important to let people understand the timing of this incident. there's a general election in the united kingdom on thursday, a different political system than we do. imagine a presidential election five days away in what appears to be a dual terror attack happening at that time. there's that. it's also ramadan, a time ...

Vest with the canisters in there. doesn't it lead you to think that the authorities were saying this was well organized and thought out because of that bomb. this one was just canisters, knives, and a van. >> yes and it could've been one was well organize and plan, plotted from abroad. i don't know if we've actually taken out the bomb maker which is a critical asset because they're highly trained and prized individuals. this could have been a copycat attack of homegrown radicals there were trying to get attention anywhere radicalized online by isis. they might be related, they might not. that'...

Back, they knew after the manchester attack that something else was coming. you raise the terror level to critical. the first time in a decade they have done that. and then you lower it a few days later. do you think the threat it was over was the reasoning behind that? >> you saw series of takedowns in the wake of manchester. they may have thought they got most of those cells and missed one, but you have to go to the broader issue of, we cannot shut down western society. that's plane into the terrorist groups. the other point that i'm looking closely at is whether these attackers were homegro...

>> reporter: the sheriff's deputy killed was 36-year-old william derr who had served 11 years for the county. he leaves behind a wife and 11-year-old son. storms on the gulf coast and to the carolinas. people could be subject to flash flooding and even an isolated tornado. new developments in the united kingdom after last week's bo bombing at an ariana grande concert in manchester. police arrested another person after an attack in another raid. 15 have been arrested, 14 is will -- 14 are still in police custody to be questioned. lucy follows me with the latest on this investigation. lucy, ...