Hydrate D News Today

Dangerously hot. a steady rise begin this is weekend for spain and itsaly. in italy health officials have issued a warning for 15 cities, including rome and florence. we go live to rome. barbie, the mediterranean, no stranger to summer heat, but this is unusual. how are folks coping there? >> reporter: you know, they are supposed to be inside during this approaching midday. this is the hottest time of the day the next several hours. but there are a shocking number of tourists out here. were in c...