role i mean the explosion in the wall drug which has just happened today probably they've chosen the waldrop as a as a with their weakest a and. the russian cities and be a game probably just as i say to undermine. the every effort which is being undertaken with russian authorities and russian federal security services to guarantee the security measures during the coming olympics i think that must be there must be taken more security measures this is one thing and probably just as much more for the. terrorist cells in russia. from the russian academy of sciences thank you very much indeed. there are suggestions they could be linked to russia's tell you and north caucuses region but journalist fred weary the threat of terrorism is a global not local threat and that all countries should deal with it together. i think terrorism because of the nature of. the motivations of the woman and strap explosives on herself and walk into a crowded train station like that it obviously comes from somewhere and we all reach analyze that but at the same time i'm not i can't be the only person wishing the inte