Authorities on high alert as heatwave spreads across Catalonia
Public urged to take precautions as temperatures due to rise over 40 degrees in some places with hot weather forecast until Sunday
Public urged to take precautions as temperatures due to rise over 40 degrees in some places with hot weather forecast until Sunday
High temperatures in first half of August cause deaths of 13 men and 10 women
Victims include two men and three women, aged between 52 and 81