75,000 fans flock to Oxegen festival in Punchestown
Ireland's largest music festival, Oxegen begins on Friday afternoon.
Around 40,000 fans made their way to Punchestown racecourse in County Kildare on Thursday with thousands more expected over the weekend.
One hundred and fifty artists will perform over three nights with headliners as diverse as Arcade Fire, Muse, Eminem and Jay Z.
Bands from Northern Ireland include Cashier No 9, Two Door Cinema Club and Joe Echo.
Other names booked to play the 2010 event include Paolo Nutini, Faithless, Stereophonics, David Guetta, Vampire Weekend, John Mayer, Calvin Harris, Newton Faulkner, Gossip, Temper Trap, Empire Of The Sun, Goldfrapp, La Roux, Wolfmother, Rise Against, The Coral and Broken Social Scene.
Ellie Goulding, who won the 'BBC Sound of 2010' winner and also scooped the 'Critics Choice Award' at the Brits, will also be making her Oxygen debut.
Meanwhile, the dance line-up includes superstar DJs Armand Van Helden, Steve Angelo, Simian Mobile Disco, Erol Alkan, Steve Aoki and A Trak And Aeroplane.
Oxegen is now in its seventh year.
Around 75,000 people, many from Northern Ireland, are expected to attend over the three days.
Irish police are asking fans travelling to the event to use public transport.
On site parking is limited and subject to a charge, while park and ride facilities and shuttle buses are free.
Organisers are advising fans to bring wet weather gear and allow at least three hours travel time to and from Punchestown.