imran khan is standing by, but first to nadeem barber in paris. both presidents really just laying out the stage for what happened in the coming hours. >> that's right. they've been at pains to stress that this is not just a military response to trying to tackle the group that calls itself islamic state in iraq, but also furthering their humanitarian efforts, helping the iraqi authorities, and stressing that now that iraq has a national unity government representing all sectors of society, they are coming on board, bringing more and more arab states to pledge money, perhaps to pledge intelligence supports for the u.s. air strikes, and we are hearing from john kerry, the u.s. secretary of state, participation in future air strikes, although we don't know which those states are for the moment. >> do you think - it's only been going on for a matter of hours - do you think we'll find out at the end of it who will do what? >> nick, i think it's unlikely that the names of the states will come out, linked to x, y or z action. john kerry has hinted, rathe