reports are very unreliable. it's a very difficult situation and for people to have their wits about them, to be able to give accurate reporting about the location of the blast was the reporting coming out so far certainly would trace was saying talking about it being the foyer. it doesn't lend itself to thinking it was pyrotechnics or leftover technical from the concert. >> martha: we've all been down this road many times and covered the situations too many times. but it does appear that if it did happen outside of the concert arena that there's other explanations for him to be a little bit less likely and as we said, manchester has been in an area where we have seen some of these people who have been up to some very nefarious acts with regard to terrorism who have gone to london and to