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A sign reads 100 degrees as pedestrians cross the street under extreme heat that blanketed the northern New Jersey region, Thursday, June 21, 2012, in Newark, N.J. Forecasters say temperatures could combine with humidity to make it feel like 110 degrees in parts of the state. Thermometers might not drop below 80 in the state's cities during the evening. (AP Photo/Julio Cortez)

Northeast heat wave

The second day of a heat wave blanketed the U.S. mid-Atlantic and Northeast on Thursday, June 21, sparking power cuts in New York City and forcing utilities across the region to ask customers to conserve electricity.