The Poison Sky - Overnight Ratings

Unofficial figures show that episode five of Series Four, The Poison Sky, was watched by 5.9 million viewers, giving it a 32.5% share of the total television audience.

Although dipping below the 6 million mark, the programme was still the second most watched of the day, being beaten by ITV1's Britain's Got Talent, which got 8.5 million viewers. It was the highest rated programme on BBC1 for the day.

The programme is currently the 17th most watched of the week. Final figures will be released by BARB in ten days time.