Authorities are investigating after one man was killed and a second wounded in a shooting early Sunday morning in Trenton. City police received three Shot Spotter activations for multiple locations in the 100 block of West Hanover Street around 1 a.m., according to the Mercer County Prosecutor’s Office. Responding officers found Ali Abdullah, 25, of Trenton, lying on a sidewalk with a gunshot wound. He was taken to Capital Health Regional Medical Center, where he was pronounced dead a short time later. As police investigated the scene, a second victim arrived at the hospital by private vehicle…