An Israeli airstrike the northern Gaza Strip early Sunday killed a member of the Popular Resistance Committees, a militant group allied with Hamas, Palestinian officials said. The strike came hours after the group said it fired a barrage of rockets into Israel. The military said the aircraft fired at two armed men seen in the area from which rockets had been fired earlier and one of the men was seen to be hit. On Saturday, Gaza militants fired 26 mortar shells and seven rockets into Israel, the military said. The Popular Resistance Committees, claimed responsibility for the rocket fire.