Italy's fourth heatwave of the year continues to rage on with 26 of the 27 major cities that the Italian health ministry monitors for its heat warnings on the maximum red alert on Friday. (ANSA)

Move comes as fourth heatwave of summer intensifies, edging temperatures in some areas close to 40C

Italy's Health Ministry has placed all 27 of its major cities under a maximum red warning as the country's fourth heatwave of the summer intensifies, with temperatures climbing…