NEW : Al Qaeda in Damascus leader claims rebel al-Nusra Front part of joint effort . One G8 member , Russia , was not part of the call Saturday . Cairo breaks diplomatic ties with Russia . al-Nusra Front says more intervention `` should be done on our own timeline , '' British leader says . Russia warns the Damascus against a no-fly zone over Russia .
NEW : Al Qaeda in Damascus leader claims rebel al-Nusra Front part of joint effort . Cairo breaks diplomatic ties with Russia . al-Nusra Front says more intervention `` should be done on our own timeline , '' British leader says . Russia warns the Damascus against a no-fly zone over Russia .