BUFFALO, N.Y. (AP) — Two officers in New York shot and killed a man over the weekend, prompting authorities to launch an investigation and his family to demand answers.Edward Holmes, 58, was fatally shot Saturday morning in Buffalo after police say he discharged his shotgun and officers returned fire. Buffalo Police Commissioner Joseph Gramaglia said officers responded to a report of a man with a gun and encountered Holmes holding a shotgun in the middle of a residential street.He said Saturday that officers told Holmes numerous times to drop his…