A massive heat wave affected the central and eastern United States over the weekend,... with Washington seeing the mercury hitting 41 degrees Celsius.<br />The U.S. weather service is urging residents to seek refuge at cooling centers set up in locations ranging from libraries to shopping malls.<br />Some outdoors activities, including the New York City Triathlon, were canceled due to the intense heat.<br />Some relief is in the forecast,...however,... as a cold front from the north will begin moving south by Sunday evening, local time.<br />
