A lingering heat wave has roasted much of Europe, leading authorities to raise warnings and tourists to find ways to beat the heat.

The event was due to end at 10:45pm this evening but organisers issued an announcement at 18:30pm to say it would be closing prematurely, urging gig-goers to 'get home safely'.

People are marking the start of the winter and summer solstices across the globe. North of the equator, celebrations welcome ...