The U2 gig in Slane is continuing with the band taking to the stage in the past hour.
Some 80,000 fans are at the Meath venue tonight for the band's first Irish gig since 1997.
Concert goers earlier enjoyed support bands such as Relish and the Red Hot Chili Peppers.
Dublin Bus is providing buses returning immediately after the concert.
Organisers earlier warned that only those holding tickets would be allowed into the concert grounds.