World

Swimming pools extend their opening hours as severe heat wave hits the Balkans

  • Elvir Omercevic, 36,  seeks refreshment in a lake near Tuzla, 120 kms north of Sarajevo, on Monday, July 20, 2015. A heat wave with daily temperatures over 40 Celsius marked weather in Bosnia and the region (AP Photo/Amel Emric)

    Elvir Omercevic, 36, seeks refreshment in a lake near Tuzla, 120 kms north of Sarajevo, on Monday, July 20, 2015. A heat wave with daily temperatures over 40 Celsius marked weather in Bosnia and the region (AP Photo/Amel Emric)  (The Associated Press)

  • A Bosnian boy splashes in a lake to cool down, near Tuzla, 120 kms north of Sarajevo, Monday, July 20, 2015. A heat wave has hit Bosnia and surrounding regions with the temperature reaching 40 Celsius (104 Fahrenheit).  (AP Photo/Amel Emric)

    A Bosnian boy splashes in a lake to cool down, near Tuzla, 120 kms north of Sarajevo, Monday, July 20, 2015. A heat wave has hit Bosnia and surrounding regions with the temperature reaching 40 Celsius (104 Fahrenheit). (AP Photo/Amel Emric)  (The Associated Press)

  • A man sits in shade as he fishes in  a lake near Tuzla, 120 kms north of Sarajevo, Monday, July, 20 ,2015. A heat wave has hit Bosnia and surrounding regions with the temperature reaching 40 Celsius (104 Fahrenheit).   (AP Photo/Amel Emric)

    A man sits in shade as he fishes in a lake near Tuzla, 120 kms north of Sarajevo, Monday, July, 20 ,2015. A heat wave has hit Bosnia and surrounding regions with the temperature reaching 40 Celsius (104 Fahrenheit). (AP Photo/Amel Emric)  (The Associated Press)

Authorities in the Balkan countries say people have been collapsing on the streets amid a heat wave that have seen temperatures in the region reach 40 Celsius (104 Fahrenheit).

The high temperatures began to rise over the weekend and peaked on Monday. No casualties were reported but authorities said hundreds of people were treated for dehydration in Bosnia, Romania, Croatia, Serbia, Montenegro and Hungary.

Southern Bosnia was also hit by several forest fires, including one near the small village Medjugorje, which is a popular Catholic pilgrimage site.

Public swimming pools in the Hungarian capital Budapest have extended their working hours into the night and water trucks have been spraying tram tracks to prevent them from warping.

In Belgrade, authorities parked trucks with water tanks throughout the city.