Chopper 6 HD flew over the water around 30th and Chestnut Streets.
Witnesses say they saw someone in the water just after 10:30 last night go under but never come back up.
Crews hit the river, but only found a sneaker.
Chopper 6 HD flew over the water around 30th and Chestnut Streets.
Witnesses say they saw someone in the water just after 10:30 last night go under but never come back up.
Crews hit the river, but only found a sneaker.