Despite the caped crusader’s chase through the city centre, the bag snatcher got away and no arrests were made.

The incident happened on Saturday (September 19) when Sonni Mason, 25, from London – the man behind the mask – travelled from London to Norwich for a fancy dress birthday party.

Sonni Mason did not expect to spring into action on Saturday. (Image: Supplied)

The drama started in the queue for a bar on Queen Street when a stranger accused two of his friends of stealing his cigarettes.

No doubt taking inspiration from the Joker, the man then snatched one of the women’s handbag and made off, causing the Dark Knight to........

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