TOWSON, Md. (WJZ) — One person was seriously injured Tuesday after an apartment fire in Baltimore County.

The fire broke out in the 6900 block of Donachie Road in Towson, according to the Baltimore County Fire Department.

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Officials said there were reports of someone jumping out of a second story apartment.

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When crews arrived, they found that a fire had started in the bathroom.

Firefighters said the smoke detectors in the apartment were working.

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They are still trying to figure out the exact cause of the fire.