ROANOKE COUNTY (WSLS 10) - Appalachian Power crews are working to determine what caused more than 3,000 customers in Roanoke city and Roanoke County to lose power.
According to John Shepelwich, an AEP spokesperson, around 7 p.m. Saturday night a substation near 419 and Apperson Drive lost power.
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It is unclear what caused the outage.
Shepelwich said once crews determine what caused the power to go out, they can determine how long it will take to turn it back on.