the metropolitan police. doesn't shed too much light except to verify that shots were fired. the first time london police said that. cnn analyst kimberly dozier is with us as well. and the timing of this just days before the general next london is something that i think people are very are concerned about. and also, i think, questions will be racesed. it was just last week that the terror alert level in the united kingdom was raise the to the highest level in ten years and then lowered one notch. it is still a very high level but they did lower it a week ago from its highest degree of alertness. what do you make of it? >> well, the u.k. security forces have been moving in and according to a u.s. official i've heard from, they thought they were closing in on the network. they've made key arrests in paris and other parts of europe connected to the network. i didn't, i wasn't able to