freak rainstorm that caused widespread damage and triggered mayhem at the city zoo after ten inches of rain, raging floodwaters, knocking homes off the foundations, ripping up the roads, huge sinkholes that swallowed a car. more than a dozen animals drowned at the duluth zoo. a polar bear was swept away. it was tranquilized and recaptured. >> a viewer tells us they're still under a state of emergency there in duluth as well. people across the north east are bracing for a second miserable day of heat. temperatures shot up near 100 degrees in some of the country's most densely populated cities. thousands of new york schoolchildren had to sweat it out in classrooms without air conditioning. people hoping to cool off in some new hampshire towns were out of luck. many public schools there don't open for the season until monday. where are the pools when you need them? >> i know. 95 degrees, schools should be canceled, unless they're air conditioned, which like none are. >> yeah, none are. >> the whole nation is dealing with this heat wave. it's really remarkable stuff.