BALTIMORE (WJZ) — An investigation is underway after a Baltimore City rowhome goes up in flames.

It happened late Thursday night in the 300-block of East Lafayette Street.

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Authorities say no one was inside the three-story home at the time of the fire.

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One firefighter was hurt in the blaze. That person was treated at the hospital for minor injuries.

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Investigators are still trying to figure out what sparked the fire.