The accident scene was on Zaccheus Mead Lane at Fox Run Lane, Greenwich Fire said via Twitter.
The crash occurred before 9 a.m. Sunday, firefighters said. Motorists were urged to use caution in that area.
Firefighters reported that the pole and wires were on fire, but everyone had been removed from the vehicle.
Zaccheus Mead Lane was closed between Meadow Lane and Winding Lane due the crash, Greenwich Dispatch reported.
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