Emergency crews are working to restore power to some areas in Waltham, Massachusetts after electrical surges across the city have caused outages in residences and buildings.
Eversource says it experienced a "high voltage" surge at their Pine Street and Main Street substations, which caused streetlight signals to fail, transformer fires, and smoke in multiple buildings.
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Waltham police and fire crews were seen responding to a fire at a home on Main Street late Saturday afternoon.
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More than 3,500 Eversource customers were without power, as of 5 p.m. Saturday. Crews were working through the night to restore power.
It is unclear what caused the surges.
Waltham Public Schools said Sunday that the weekend's power surge disabled some traffic signals, which could cause minor bus and van delays on Monday. Walkers were urged to exercise extra caution when crossing intersections without working traffic signals.
