Record-breaking temperatures capped a four-day heat wave already blamed for the deaths of two Philadelphia women even as an approaching cold front bearing thunderstorms promised relief, forecasters said.The National Weather Service office in Mount Holly, N.J., said the mercury hit 98 degrees in Philadelphia at 3:22 p.m. Tuesday, one degree higher than the record of 97 set in 1964.
Heat wave blamed for 2 deaths as relief promised - PA 
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