Due to severe weather conditions, the town of Wilton declared a state of emergency at 7:05 p.m. Monday, First Selectman Bill Brennan said in a Code Red announcement.

From 6 to 7 p.m., he said, 50% of the town — some 3,700 CL&P customers — lost power. As of 9:30 p.m., 5,866 were without power, 80% of the town.

In addition, downed trees and wires are hampering emergency response by emergency vehicles.

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Because of the widespread power outages and property damage, power restoration is expected to be slow and a "protracted recovery period" should be expected, he said.

Weather conditions for the remainder of Monday night will e severe, further exacerbating conditions.

Department of Public Works and CL&P crews will be out Tuesday morning, clearing downed trees and wires, he said.

Emergency calls will be prioritized.

The town will post notifications at key locations around town beginning Tuesday.