Calvin Harris ' album I Created Disco reached number eight in the UK
Dance pop artist Calvin Harris has gone straight to the top of the single charts with new song I'm Not Alone.
The Scottish singer - whose song with rapper Dizzee Rascal, Dance Wiv Me, went to number one last year - knocked Lady GaGa off the top spot.
But Lady GaGa stayed top of the album chart for a second week with The Fame.
Fields of Anfield Road, the song recorded to mark the 20th anniversary of the Hillsborough tragedy, entered the singles chart at number 16.
It was recorded by a number of Liverpudlian musicians and former Liverpool FC footballers and is credited to the Liverpool Collective featuring the Kop Choir.
Elsewhere in the chart, R&B singer Ciara was a new entry at number six with her song Love Sex Magic, featuring Justin Timberlake.
TOP FIVE SINGLES
I'm Not Alone - Calvin Harris
Poker Face - Lady GaGa
Jai Ho (You Are My Destiny) - AR Rahman ft Pussycat Dolls
In For The Kill - La Roux
Don't Upset The Rhythm - Noisettes
Source: Official Charts Company
In For The Kill by London synth duo La Roux, meanwhile, climbed three places to number four.
In the album chart, Kingdom of Rust, the first release from Manchester band Doves in four years, was a new entry at number two.
Two Suns, by singer-songwriter Bat For Lashes, was a new entry at number five in the album chart.
And It's Blitz, by Yeah Yeah Yeahs, went straight in at number nine.
Other new entries included X Factor contestant Eoghan Quigg's self-titled album, at number 14, and Neil Young's Fork in the Road, at 22.