PHILADELPHIA, July 4:A gunman wearing a bulletproof vest opened fire on the streets of Philadelphia on Monday night, killing four people and wounding two boys in the latest outbreak of gun violence in the United States, police said. The victims were apparently random, with no connection immediately known between them and the shooter.

PHILADELPHIA,  Aug 15: A gunman who opened fire on police Wednesday as they were serving a drug warrant in Philadelphia, wounding six officers and triggering a standoff that extended into the night, is in police custody, authorities said.

PHILADELPHIA, August 15: At least one gunman opened fire on police Wednesday as they were serving a drug warrant in Philadelphia, wounding six officers and triggering a standoff that extended into the night, authorities said.