Police have arrested a man on suspicion of affray after releasing video footage of a fight on board a Tube train at Aldgate East Undergound Station.
British Transport Police arrested the 29-year-old, from Dagenham, on Wednesday, April 30.
He was interviewed and released on bail until Thursday, May 22, pending further enquiries.
The alleged fight broke out on a District line train.
Det Con Lawrence Murphy thanked media and the public for their help with the initial appeal for information.
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