Police looking for suspect who fatally stabbed man in Philadelphia

PHILADELPHIA (WPVI) -- Police are trying to figure out who stabbed a man to death in Philadelphia on Tuesday.

Surveillance video shows a passerby coming to the aid of the victim on the 1500 block of Wadsworth Avenue, just before 7:30 a.m.

The unidentified male victim was taken to Albert Einstein Medical Center, where he later died.

No arrests have been made and police are investigating.