Eight victims killed by gunman in Texas were gathered for party

A gunman who fatally shot eight people at a Dallas-area house knew at least some of the victims gathered there to watch a football game, authorities said on Monday.The shooter in Plano, Texas, was killed by the first police officer to arrive at the scene on Sunday, Plano Police Chief Gregory Rushin said at a news conference.The officer discovered seven victims who had been fatally shot, and two others were taken to a hospital.