'21' wins top spot at UK box office

Real-life drama 21 has debuted at the top of the UK box office chart.

The story of six MIT students who won millions at Vegas casinos pushes romantic comedy 27 Dresses into third place.

George Clooney's American football movie Leatherheads is a new entry at six, while Martin Scorsese's Rolling Stones documentary Shine A Light lands at nine.

Thriller Pathology, which stars Heroes actor Milo Ventimiglia, is the final new entry at ten.

The top ten in full:

1. (-) 21 - £1,648,518
2. (2) Son of Rambow - £749,152
3. (1) 27 Dresses - £688,130
4. (5) The Spiderwick Chronicles - £676,278
5. (3) Step Up 2 the Streets - £661,677
6. (-) Leatherheads - £474,419
7. (6) Horton Hears a Who! - £431,387
8. (4) Never Back Down - £417,608
9. (-) Shine A Light - £337,804
10. (-) Pathology - £313,648