Europe hit by soaring temperatures
30 July 2013 Last updated at 06:32 BST
Parts of southern Europe are experiencing a sustained heatwave, with temperatures in some areas exceeding 40 degrees Celsius.
In Sarajevo, Bosnia, emergency services treated more than 600 people for heat-related complaints in 24 hours.
Many Serbians escaped the city to cool off by a lake near Belgrade.
Emily Thomas reports.