GASSVILLE, Ark. - A teenager wanted in a hatchet-and-gun attack on patrons of a Massachusetts gay bar died Sunday morning at a Missouri hospital after he was critically wounded in a gun battle with Arkansas police, authorities said. Jacob D. Robida, 18, died at 3:38 a.m. Sunday at Cox-South Hospital in Springfield, Arkansas State Police spokesman Bill Sadler said. Robida was wounded after he shot and killed a small-town police officer in Gassville on Saturday and a West Virginia woman before a shootout ended with Robida's arrest, authorities said. Robida was shot twice in the head, authorities said.