The live final of this year's Eurovision Song Contest is just hours away and is set to be watched by millions of people across the world.
However, behind the ridiculous songs and ludicrous costumes, there's a dark side to the world-famous competition - perhaps not surprising given the political tensions often lurking beneath events.
In the past few years, the contest has been embroiled in rows over political anti-protest songs, allegations of drug taking and cheating accusations to name just a few. With that in mind, here's a look at some of the scandals that have hit Eurovision in recent years.
