A MASKED man left staff in a state of shock after he threatened them with a hammer before stealing cash.
He entered Bell's Stores, in Station Terrace East, Boldon, South Tyneside, shortly after 9pm on Tuesday.
He was described as white, in his late teens to early 20s, and wearing a white shell suit top and white trousers. He had a local accent.
No one was injured.
A substantial reward is being offered for information leading to his arrest and conviction. Anyone with information or who was in the area at the time is asked to call police on 0191-454 7555, extension 65959.
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