Man shot while standing on SEPTA trolley platform in Center City Philadelphia

PHILADELPHIA (WPVI) -- A man was shot while standing on a SEPTA trolley platform Wednesday morning, police said.

It happened underground at the station at 13th and Market streets around 4:45 a.m.

Police said the victim was shot in the arm.

He was taken to the hospital by officers. There is no word on his condition.

Witnesses told police they saw the gunman running away.

Philadelphia police and SEPTA police are investigating.

***This story is developing. Check back with 6abc.com for updates.***