Music
The DJ/producer, real name Jonas Altberg, climbs from number 14 to number one with 'Now You're Gone', while Jackson's 'When You Believe' falls to number five.
Britney Spears' 'Piece Of Me' vaults eighteen places in its fourth week on the chart, but the troubled pop princess has to make do with the number two spot.
Other new entries in the top ten come from Rihanna, who climbs to number six with 'Don't Stop The Music', Lupe Fiasco, who enters the chart at number seven with 'Superstar', and Scouting For Girls, whose 'Elvis Ain't Dead' rises to number ten.
The top ten in full:
1. (14) Basshunter: 'Now You're Gone'
2. (19) Britney Spears: 'Piece of Me'
3. (2) Soulja Boy: 'Crank That (Soulja Boy)'
4. (8) Nickelback: 'Rockstar'
5. (1) Leon Jackson: 'When You Believe'
6. (12) Rihanna: 'Don't Stop The Music'
7. (-) Lupe Fiasco ft. Matthew Santos: 'Superstar'
8. (4) Timbaland ft. One Republic: 'Apologise'
9. (5) Take That: 'Rule The World'
10. (17) Scouting For Girls: 'Elvis Ain't Dead'
> Who's knocked Radiohead off the top of the album chart? Click here to find out
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