31.   The police have been trying to keep the documents secret.

32.   The police are trying to recruit more black and Asian officers.

33.   Police tried to restore calm after the riot.

34.   When the police tried to arrest him, he became combative.

35.   The police were trying to keep people away from the body, but they were outnumbered and the crowd jostled to get a look.

36.   The police were trying to keep the crowd away from the fire.

37.   On the M-Four the westbound carriageway at junction thirteen had to be closed while police tried to recover a lorry.

38.   West Mercia police are still trying to trace any relatives.

39.   Meanwhile, in Sharpness, police are trying to contact people who were on board the Severn Explorer on Sunday.