to boston with reports of at leastics is heat-related deaths. the heat wave was broken by severe thunderstorms. mother nature even crashed pearl jam's sold out concert at chicago's wrigley field forcing them to take cover until the storm passed. the group's latest album is entitled litning bolt. in the detroit area, thunderstorms brought down trees and power lines and more than 100,000 customers remain without power. >> one of the biggest storms i have seen in the area. >> strong storms were to plame for the collapse of this gym at an ohio college. in las vegas where they dealt with the hottest temperatures on records weeks ago, a leaky casino hotel roof and a different light show. photos capture lightning above the strip. back in the northeast, people are heading to the beaches and cools to cool off. the suffering is just about over. some of the cool air that dropped temperatures into the 40s this morning in northern minnesota is sweeping east, bringing swallow all those who have been sweating it out. storms along that cold front are producing