YEARS & Years have cancelled their TRNSMT show due to illness.

The band were due to play on the festival's Main Stage tomorrow but have had to cancel due to lead singer Olly Alexander suffering from an infection. 

He revealed his doctor had told him he is not well enough to perform and apologised to fans. 

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In a statement shared on Instagram, Olly wrote: "I'm so sorry for this but I won't be performing tomorrow at TRNSMT, I have an infection and my doctor has told me I'm not well enough to do the show. 

"I'm really sorry to anybody hoping to see us, I hate to do this and I'm absolutely gutted to not be there. 

"I hope everybody has a great time at the festival and hopefully we can come back another time."

Festival bosses said they will update on schedule changes soon.