Coldplay have been confirmed as headliners for this summer's Witnness festival at Fairyhouse in County Meath on 12 July.

The British chart-toppers were Ireland's biggest selling artist in 2002 and have notched up a host of NME, Brit, MTV Europe, Q and Grammy awards.

The fourth Witnness festival will take place on 12 and 13 July, with tickets on sale at 8am on Friday 11 April.

So far, confirmed acts for the multi-stage event include The Polyphonic Spree, The Streets, The Datsuns, The Revs, Supergrass, Echo & the Bunnymen, Richie Hawtin, Underworld, The Flaming Lips, The Roots, The Walls, Lemon Jelly, Snow Patrol and Zwan.

One-day tickets will cost €59.50, two-day tickets €109.50 and two days with camping €130.50.