Duffy back on top in Ireland with 'Mercy'

Duffy is back on top of the Irish singles chart this week with 'Mercy'.

Mundy and Sharon Shannon's 'Galway Girl' shoots up twelve places to number two, followed by Basshunter's 'Now You're Gone' in third position.

Leona Lewis's 'Better In Time' moves up to fourth place, while last week's number one, 'The Ballad of Ronnie Drew', is down to fifth.

Meanwhile, Estelle and Kanye West's 'American Boy' debuts at number eight in the chart.

Mary Black's 25 Years 25 Songs is at the top of the album chart this week, followed by Duffy's Rockferry at number two and Glen Hansard and Marketa Irglova's Once at number three.

The top ten singles in full:

1. (2) Duffy: 'Mercy'
2. (14) Mundy & Sharon Shannon: 'Galway Girl'
3. (4) Basshunter: 'Now You're Gone'
4. (8) Leona Lewis: 'Better In Time'
5. (1) Various: 'The Ballad of Ronnie Drew'
6. (3) Glen Hansard & Marketa Irglova: 'Falling Slowly'
7. (9) Flo Rida ft. T-Pain: 'Low'
8. (-) Estelle ft. Kanye West: 'American Boy'
9. (5) OneRepublic: 'Stop and Stare'
10. (6) Nickelback: 'Rockstar'