 
 Radiohead have announced their first festival appearance of 2012.
The band, who released their latest album 'The King Of Limbs' earlier this year, will headline Portugal's Optimus Alive festival, which is set to take place between July 12-15.
Radiohead, who have already confirmed a 10-date North American tour for February 2012, will also play five across Europe next year.
The tour kicks off in Rome on June 30, with the band continuing to  Florence, Bologna, Udine before concluding at Berlin's Wuhlheide on July 6. 
Further European and UK dates are expected to be announced in the coming months.
Speaking to BBC 6Music, guitarist Ed O'Brien promised fans that the band would be performing at indoor venues on the European leg of the tour. "I think the important thing is that it's got to be a set in itself, it's got to work.
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