Hazmat spill prompts bottled water advisory for Philly residents.

Officials in Bristol, Bucks County are monitoring the release of hazardous material into Otter Creek, which is in immediate contact with the Delaware River. Even though no contamination has reached Philadelphia's water system, officials urge the public not to drink or cook with tap water as a precautionary measure. Cleanup efforts are underway, and authorities are working with the responsible party and local and federal agencies to ensure a safe response effort.