Philadelphia August 15, 2019 11:45 pm Calls for Gun Reform in Aftermath of Shooting of 6 Philly Police Officers A day after six Philadelphia police officers were shot during an hourslong standoff in Nicetown-Tioga, lawmakers are calling for gun reform. US & World Videos 2:06 Arrests made in Delaware State University shooting that killed teen visiting campus 0:19 Police search for man they say installed skimming device on Bucks County ATM 9:52 Gun pulled on Pa. pastor: The Lineup 0:51 NJ state trooper dies during training exercise 0:28 Stevie Wonder offers advice to Lincoln University grads