. so many cafes here in paris and the concert hall, this was ten days ago. the british prime minister david cameron joined the french president francois hollande in visit i visiting these memorials. the prime minister is also expected to make the case this thursday for his nation now to join the coalition effort in isis and syria. let's go to ivan watson who is here in paris as well. let's begin specifically with this item that appears to be resembling a suicide vest. what do you know? >> this is coming from french