BOSTON (CBS) – The third nor’easter in ten days sent hundreds of thousands of people back into the dark Tuesday.

According to the Massachusetts Emergency Management Agency (MEMA), more than 200,000 customers lost electricity in the latest storm.

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The South Coast and Cape and Islands were the hardest hit. In Chatham, 100% of customers lost power. In Sandwich, Harwich, and Dennis more than 90% of customers were without electricity. In Duxbury, even police headquarters lost power, as well as their backup power.

Check: Power Outage List

At the height of last week’s second nor’easter, more than 360,000 customers were without electricity. More than 450,000 lost power in the first nor’easter.

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Several communities have opened up warming shelters to help residents without power.

ATTLEBORO: South Attleboro fire station, 1476 South Ave

EAST BRIDGEWATER: Red Cross regional shelter at the First Congregational Church at 254 Main St. in Plympton or the Plymouth North High School at 41 Obery St. in Plymouth

WHITMAN: Whitman-Hanson Regional High School

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If you need information on the location of open warming centers or shelters check with local authorities or call 2-1-1.