13:00Phil GayleHarvinder Singh, Thames Valley Police's first Asian policemanBBC Radio Oxford Duration: 3 hours Tue 2nd Nov 2010, 13:00 on BBC Radio BerkshireDetective Police Constable Harvinder Singh was Thames Valley Police's first Asian policeman and longest-serving British Sikh policeman before he retired on 31 October.GenresEntertainmentBrandPhil Gayle Source: BBC Online