Firefighters told our sister station KGO-TV that additional structures and the SS Jeremiah O’Brien ship are threatened.
The ship is one of two remaining fully functioning Liberty ships launched during World War II.
It’s unclear what ignited the flames.
Crews say no one has been hurt.
The fire was first reported around 4:40 a.m. local time. As of 5:49 a.m., the fire department said crews were making progress on the flames.
This is a breaking news report. Check back here for new developments.
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Source: ABC7 Chicago