Temperatures reached 36 degrees Celsius (97 degrees Fahrenheit) in the afternoon, in line with sweltering climes that have broken records across Europe.

In Zurich, around 30 so-called Love Mobile floats were set to drive along the banks of the city's Limmat river accompanied by thumping beats and jumping youths.

Organisers have advised the ravers, a third of whom usually come from Germany, to be sure to drink plenty of water.

TERRA.WIRE