(Vancouver, WA) -- One person is dead and another is seriously injured following an attempted murder-suicide police say stemmed from a dispute between two neighbors. Police say a man was mowing his lawn yesterday in Vancouver when his neighbor walked up to him and shot him in the head. The neighbor then apparently turned the gun on himself, killing himself. The man who was shot in the head was rushed to a hospital in serious condition. Police say there had been an ongoing dispute between the neighbors and that the victim had recently taken out a protective order against the gunman.