PORT RICHMOND (WPVI) -- Philadelphia police and the SWAT team unit responded to the scene of a barricade situation in the Port Richmond section.
A shelter in place was temporarily in effect at nearby Webster Elementary as a precaution. It has since been lifted.
Police say a man, believed to be armed, barricaded himself inside a house along the 3600 block of Frankford Avenue.
They say the man is possibly a suspect in a triple shooting.
Police entered the house around 11:45 a.m. and found nobody inside.
The suspect remains at large.
Stay with Action News and 6abc.com as more information becomes available.