80 rounds and scrambled f-16 fighter jets. the initial target was the south korean island in the yellow sea. reports say two soldiers were killed, more than a dozen injured by artillery fire. jill dougherty s following developments live in washington. jill, this is not the first time this island has been a flash point between the two nations. that s right, john. it s right along that maritime border. it s called the northern limit line between north korea and south korea. and just back in march, you had that sinking of the ship. it s really a flash point. this is a serious provocation. the it s not just a few little gun shots. this is artillery shells being lobbed from the north into the south. now the united states had a very quick reaction. and i ll read it here. the u.s. strongly condemns this attack, calls on north korea to halt its belligerent action and fully abide by the terms of the arms disagreement. the united states is firmly committed to the defense of our all