Sheffield bike thief attack suspect on CCTV

15 January 2013 Last updated at 12:08 ET Help

CCTV images of a man who assaulted a cyclist after being caught in the act stealing his bike have been released by British Transport Police.

The incident took place at Sheffield railway station at about when a 30-year-old man returned to a cycle rack to collect his bike but found a man riding away on it.

The man gave chase and managed to grab the thief who then assaulted him with a bike lock before fleeing.

The police are appealing for anyone who recognises the man to contact them. The incident happened at 18:00 GMT on 30 October 2012

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