Police are investigating the slayings of two men in separate shootings an hour apart in Philadelphia Tuesday night.
Robbery is believed to be the motive in the West Philadelphia killing of Anthony Gibbs, 38, police said.
Officers responding to report of gunfire found Gibbs at 9:17 p.m. on the 100 block of North 57th Street with a bullet wound to the head.
Gibbs, who lived in Northeast Philadelphia's Bustleton section, was taken to the Hospital of the University Pennsylvania, where he died at 10:37 p.m., police said.
