to establish that goal, our objectives here in afghanistan are also clear. we are going to deny al qaeda safe haven, reverse the taliban s momentum, strengthen the capacity of afghan security forces and the afghan government. we will take you live to afghanistan and chris lawrence in a few minutes. more now on one of the big stories of the day. the deadly suicide attacks on the moscow subway system. the work was likely the work of chechen rebels. matthew chance has more on the story. if you would, matthew, walk us through what happened. reporter: tony, it is incredible. i want to say first how quickly a city like moscow manages to pick itself up after such a huge double blow that it suffered this morning. the metro station which was first attacked in the rush hour this morning it s right behind me now. within the last hour it s re-opened and people are going back from their work to their homes in this rush hour again in