Multiple emergency agencies in Delaware and Delaware County are receiving reports of an unexplained odor on Thursday.

A power outage at Monroe Energy in Marcus Hook, Pennsylvania, caused the strong gas odor many smelled in northern Delaware.

A power outage at the Monroe Energy facility in Marcus Hook, Pa., likely caused a gas odor that was reported in New Castle ...

Officials say the odor is from an equipment failure at a refinery in Trainer, Pennsylvania. It happened around 8 a.m. and 9 a ...

Officials say a power outage at an oil refinery in Delaware County was behind the sulfur-like smell reported in neighboring communities Thursday and Friday.

An equipment failure at a refinery in Marcus Hook has led to a sulfur odor spreading across the Philadelphia region, fire ...

Three environmental groups are suing the EPA, asking a judge to order the agency to reassess its regulations on the chemical.

Adam Gattuso, vice president of Public Affairs at Monroe, said the plant did have some flaring because of a temporary power loss. The flare was the plant burning off product after unexpected power ...

If you were out and about Thursday morning in Southern Delaware County, Pa., or Northern New Castle County, Del., there ...

If passed, a Delaware bill could quadruple fines for polluters while increasing support for local environmental projects.

Town hall attendees were told the excess sulfur dioxide will continue to be emitted from the refinery until repairs are finished.