Andrew Mitchell
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Second man held over Andrew Mitchell 'Plebgate' row

Detectives investigating whether a police officer lied about witnessing an incident in Downing Street involving the former Chief Whip, Andrew Mitchell, have made a second arrest.

The 23-year-old, who is not a member of police staff, was detained on Wednesday night and later released on bail. The move followed the arrest of a police officer on Saturday.

Tom Symonds reports.

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