Sian O'Callaghan: Police search Savernake Forest

Detectives hunting for missing clubber Sian O'Callaghan asked members of the public not to join in the search of dense woodland after about 400 people turned out to help on Tuesday.

Specialist officers have been combing Savernake Forest, near Marlborough, Wiltshire, for clues to the 22-year-old's disappearance.