international correspondent, stan grant who joins me from islamabad. what's the latest on the situation right now? >> reporter: yeah, as you sketched this, it'sed on hour after hour since the militants turned up with hand grenades and launchers, as well as weapons and they breached the security, got inside the naval base. and there have been multiple explosions since then and running gun battles with navy and army commandos, special forces units that were sent in there to try to root out the militants. the target i peered to be a p3 orion plane. two of them have been damaged or destroyed as a result of this raid. and the militants are holed up there inside. the real questions here apart from the fact that the number of people who have been killed or injured is just how this could have happened. and of course the taliban