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CCTV footage released of 'polite robber' hold-up

9 February 2011 Last updated at 11:05 GMT

A so-called polite robber, has been filmed on CCTV holding up a petrol station in Seattle, US.

The robber, who appears to be armed with a gun, asks the cashier: "Could you do me a favour? Empty the till for me please and put it right here. I am robbing you sir."

A man is currently being questioned about the offence by the police.