A supergran has stopped an armed robbery.
7:36am 8th February 2011
(Updated 9:57am 8th February 2011)
A supergran's stopped an armed robbery.
She started thumping the six strong gang as they smashed into a jeweller's with sledgehammers.
Four people have been arrested in Northampton after the pensioner in her seventies got involved.
Passersby rushed to help her - after one of the men was so shocked he fell off his escape scooter.
She was taken off for a calming cup of tea after the smash and grab, before being interviewed by police.
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