MT. LEBANON (KDKA) — A number of Mt. Lebanon residents were without power for hours Sunday morning due to a failed transformer.

Power was out for close to 11 hours in the Cedarhurst area of Mt. Lebanon, near Bower Hill Road and Segar Road.

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According to Mt. Lebanon Police, they were made aware of the transformer failure, which was caused by an “animal incursion,” around 12:30 a.m. In a Facebook post, police say they were initially told power would be restored by 3 a.m., but the power outage continued late into the morning.

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Duquesne Light began restoring power in the area around 11 a.m.

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The Mt. Lebanon Fire Department set up a temporary warming center in the Mt. Lebanon Municipal Building late Sunday morning for residents affected by the outage.