The lead singer of Northern Irish indie band Two Door Cinema Club has collapsed at a US airport as he was about to head to the UK to headline a festival.
Alex Trimble collapsed at Seattle Airport just before boarding a flight and has been hospitalised with a chronic stomach complaint, the band said in a statement.
The band, from Bangor and Donaghadee, were due to top the bill alongside acts such as the Editors, Billy Bragg and Kelis.
Pop star Lily Allen will instead headline tomorrow's opening night of the Latitude Festival in Suffolk after the band announced it had pulled out of the event.
The outspoken star, whose latest album is entitled Sheezus, sent her best wishes to the performer but said she was looking forward to taking to the stage at Henham Park.
She said: "So sorry to hear about Alex from Two Door Cinema Club. However, I am more than happy to step in.
"I've never been to Latitude but I hear it's fabulous and I can't wait to get my heels on for some serious dancing action on Friday evening. So, so excited."
Two Door Cinema Club yesterday issued a statement, saying: "It is with a heavy heart that we are going to need to cancel our upcoming shows at Latitude and Bournemouth Academy.
"We are devastated to have to cancel shows that we were so looking forward to. We can only apologise and hope for your understanding at this time."
Melvin Benn, managing director of Festival Republic which runs the event, said he was sad that Two Door Cinema Club had been forced to cancel their performance "under advice of doctors".
He added: "We wish Alex all the best and a speedy recovery.
"We are honoured that Lily Allen is able to step in at the last minute and would like to thank her for filling the headline slot.
"After her show-stopping performance at Glastonbury Lily was a natural choice, the Latitude audience are in for something really spectacular.
Co Down band Two Door Cinema Club are festival veterans – having played Reading and Leeds, iTunes, Canada's Edgefest and others, but Latitude would have been their first time at the top of a major bill.
In 2012 it was rumoured that Barack Obama had booked out nearly every seat for a concert by the band in Washington DC. But Alex Trimble later dismissed it as "complete lies".
They also performed at the opening ceremony of the London Olympics.