The world's top earning DJ, Calvin Harris, has been forced to pull out of the MTV European Music Awards because of a heart scare.

News Calvin, 30, would not be attending the much-anticipated event in Glasgow was revealed by event organisers, who only offered a vague reason as to why the world's highest earning DJ would not open the show as planned. 

Calvin Harris was forced to pull out of the MTV European Music Awards because of a heart scare.

Calvin has since elaborated on the reason, revealng on Twitter that he had "Got some heart problems. Heading home to see if it can be fixed x. (sic)"

The late decision to withdraw from the show creates a real problem for its organisers, who've had to make some last-minute adjustments.

The show is being hosted by Nicki Minaj, who admits she's anxious about the responsibility.

Host of the MTV European Music Awards Minaj feeling the pressure

The 'Superbass' hitmaker said: "I was having a lot of anxiety yesterday actually because I know there is a lot of pressure and it's a big job and I always want to give my best and be amazing.

"After I rehearsed yesterday I felt a lot better - it's going to be a really, really fun show."