Mercury spill prompts hazmat situation in Marcus Hook, Delaware County

MARCUS HOOK, Pa. (WPVI) -- Residents in Delaware County are being asked to avoid a neighborhood in Marcus Hook after a mercury spill.

The Delaware County Health Department says the spill happened at a vacant home on the 1000 block of Yates Avenue.

Emergency response and environmental assessment teams were on the scene scene evaluating the situation

As a precaution, residents are being asked to avoid the immediate area.

It's still unclear what caused the spill.