into one of america's most secure military installations. that's what happened in pakistan. a nation, by the way, that is armed with nuclear weapons. tareq is at aur international desk with more. >> good morning. we reported on an attack in peshawar in north pakistan. we have another information about in the port city of karachi. i have video on my screen. this is pretty good video we have in. it began last night when a group of insurgents with rockets, grenades and other weapons attacked the naval base. twelve of the officers were killed, and two planes were destroyed in the fighting. after about 18 hours, the pakistani military finally regained control of the base, killing sujts in the process. the pakistani taliban once again claimed responsibility for the attack, saying it was done to avenge the death of usama bin laden earlier this month. by the way, we learned today