Police on Tyneside say Girls Aloud fans could have vital information after shot gun raid took place near to where the girl band launched their come back tour.
The daylight heist happened outside the Grosvenor Casino on St James' Boulevard in Newcastle at about 3.50pm on Thursday, 21 February.
"On the day the robbery took place there was a Girls Aloud concert at the Metro Arena.
"There were lots of people making their way there and who would have been in the area just next to the casino and who could have potentially seen something.
"It was also approaching rush hour and in that part of the city centre there would have been lots of people leaving work and driving on St James' Boulevard.
"If anyone saw anything I'd urge them to contact us as soon as possible."
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