Police have launched an inquiry after an officer was allegedly recorded swearing at a man who had just been arrested.
The man was arrested in Hethersett on Christmas night and called his neighbour in Campion Way, Andre Smith, from a police van.
Mr Smith, 24, said the man phoned him just before midnight on Christmas Eve to ask if he could bring him some cigarettes.
Police took the phone off the man, but it fell to the floor and Mr Smith recorded the conversation.
The Professional Standards Department visited Mr Smith yesterday to take a statement from him and listen to the recordings.
A Norfolk Constabulary spokesman said there would be a 'full investigation'.
He said: 'A 40-year-old male was arrested who then racially abused one of the attending officers.
'The male admitted his behaviour and received a police caution.
'Police subsequently received a complaint made in connection with the arrest.'
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