A heavy police presence gathered near Philadelphia City Hall Monday morning after reports of gunshots.

Several squad cars have blocked off an area at the intersection of 15th and JFK near Dilworth Park around 8 a.m. as commuters were on their way to work.

Shots were reportedly fired in the area, where several shell casings, a gun and knife were seen marked by police on the streets.

One person was taken into custody at the scene, but police have yet to release any further details.

Traffic was blocked off the area for more than an hour as police investigated but has since reopened.