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DUQUESNE (KDKA) – Firefighters in the City of Duquesne had to battle both a fire and freezing temperatures Saturday morning.

Fire crews were dispatched to a vacant home on South 7th Street near Norman Street around 7:45 a.m.

The fire spread to another vacant house next door. Both buildings were destroyed.

(Photo Credit: KDKA Photojournalist Tim Lawson)

Duquesne Fire Chief Frank Cobb suspects the fire was set intentionally, and he says it put many firefighters in danger.

No one was injured.