South Woodford Station (Image: Archant)
A man has been arrested on suspicion of outraging public decency after an incident on a train.
The 21-year-old, from Canning Town, voluntarily contacted the police on Sunday following the incident which took place on the Central line between South Woodford and Snaresbrook Tube station.
The man has been bailed until today when he is due to attend a police station for further questioning.
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