A massive oil spill in the Baltimore Harbor that began Wednesday has now dumped 5,000 gallons of diesel fuel into the harbor, more than doubling the amount initially reported.

Nearly 2,000 gallons of diesel fuel spilled into Baltimore's Inner Harbor Wednesday, prompting clean-up efforts. The spill was linked to a Johns Hopkins facility. Crews are using absorbent material and skimmers to contain the fuel and minimize environmental impacts.

At least 2,000 gallons of oil have spilled into the Baltimore Harbor as cleanup efforts are currently underway, officials said.