 Later in the morning North Korean barges crossed the <unk> below A Company . The company sent a squad with a light machine gun to the southern tip of the ridge overlooking <unk> to take these troops under fire . When the squad reached the tip of the ridge they saw that a North Korean force occupied houses at its base . The company hit these houses with artillery . The North Koreans broke from the houses , running for the river . At this the light machine gun at the tip of the ridge took them under fire , as did another across the <unk> to the south in the US 25th Infantry Division sector . <unk> <unk> artillery fire decimated this group . Combined fire from all weapons inflicted an estimated 300 casualties on this North Korean force . In the afternoon , US aircraft dropped food and ammunition to the company ; only part of it was recovered . The 1st Battalion ordered A Company to withdraw the company that night . 
