TROTWOOD, Ohio (WDTN) — Investigators are working to learn what caused a vacant house fire in Trotwood early Friday.

Authorities say a passerby called 911 after seeing smoke coming from a house on Olive Road near Nathaniel Street just after midnight.

Crews arrived quickly and knocked down the fire.

No one was injured.

Authorities did not give an estimate of damage caused by the fire.

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