Coast Guard responds to sunken, derelict tugboats, leaking oil in Schuylkill River, Pa.

The Carol Whales tugboat sits on the bottom of the Scuylkill River, Pa., Monday, July 28, 2008. The tugboat is one of two boats that sank in the river and is leaking oil near the Girard Point Bridge near Philadelphia. (U.S. Coast Guard photo)