WYNCOTE, Pa. (AP) — A man pulled a gun during a dispute with another customer in Walmart checkout lines near Philadelphia and opened fire, wounding several people before fleeing but was later arrested after crashing into a police vehicle, police said Tuesday night. All victims sustained non-life-threatening injuries in the gunfire reported just after 6 p.m. Tuesday in the crowded store at the Cedarbrook Plaza Shopping Center, Cheltenham Township Chief of Police John Frye said.