Two houses were damaged after a 3-alarm fire that sparked early Saturday morning.

According to Allegheny County 911, the fire happened on Moore Avenue in Knoxville at around 4 a.m.

The fire chief at the scene confirmed to Channel 11 that both of the houses involved in the blaze were vacant.

Dispatch said both houses were abandoned.

This is a developing story. Check back for updates as more information becomes available.

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