A fuel spill in Baltimore turned parts of the Inner Harbor red and prompted ongoing cleanup efforts, city officials said.

Some roads near Baltimore's Inner Harbor reopened after a 5,000-gallon diesel fuel spill prompted clean-up efforts and an investigation. The fuel leaked from a tank at a Johns Hopkins Hospital campus.

Emergency crews from a host of government agencies were working through the night to clean up an estimated 2,000-gallon diesel spill in Baltimore’s Inner Harbor that started on Wednesday.