Trees and utility lines downed by Wednesday night's thunderstorms caused power outages and closed some Greenwich roads.
Drivers could face detours on North Street between Mavis Lane and Taconic Road and also where Valleywood Road and East Putnam Avenue meet.
By mid-morning Thursday, Connecticut Light & Power reported on its Web site that 1,015 of its 27,876 Greenwich customers were without power. Representatives of the energy company could not be reached for comment.
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