PHILADELPHIA (WPVI) -- Authorities are investigating after a Philadelphia police officer fatally shot a man armed with a knife on Friday evening in the city's Frankford section.
The shooting happened at about 5 p.m. on the 1500 hundred block of Pratt Street.
Police say a man with a knife reportedly approached police.
He was reportedly chasing a SEPTA employee when police interceded, officials say.
Police then fired at least one shot, striking the suspect, authorities said.
The man, whose identity is unknown, was taken to Jefferson-Torresdale Hospital where he was pronounced dead.
Officials say no officers were injured in the incident.
The investigation is ongoing.