Drake will no longer perform at this weekend's Wireless Festival.
The rapper isn't going to be headlining the gigs because he "got sick a few days ago" and doctors have told him he is not "physically fit to fly" to the UK for the concerts at London's Finsbury Park and Birmingham's Perry Park.
Kanye West, who is also headlining the event, will now play two nights in London, while Rudimental will play an extended set in Birmingham tomorrow.
In a statement, Drake said: "To my beloved fans, it truly breaks my heart that I won't be able to perform as planned at Wireless and Roskilde this weekend.
"I got sick a few days ago and although I am on my way to bouncing back, my doctors have made it clear that I am not physically fit to fly or deliver the performance my fans expect and deserve from me.
"I will be focused on resting for a quick recovery.
"I have the best fans in the world and I can't wait to come back to make more incredible memories together."
Organisers Live Nation have confirmed that all three days of Wireless, from July 4 to July 6 will go ahead as planned with co-headliner Bruno Mars and refunds are available from point of purchase but not from the event.
Ticket holders tomorrow in Birmingham will also receive £20 of 'Wireless Credit' when they arrive at the site to spend on food, beverages, merchandise and funfair rides.
Other acts performing at the event include Pharrell Williams, Ellie Goulding, Outkast, Tinie Tempah, Basement Jaxx, Wiz Khalifa, Azealia Banks, Robin Thicke, Clean Bandit, Rudimental, John Newman and Angel Haze.
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