Video footage has been released showing how a knife-wielding robber terrorised a shop assistant.
The man walked into the off-licence where the woman works and pulled the knife from his pocket.
He threatened her and demanded the night's takings from the till.
He ordered the woman to lie on the floor behind the counter where she could not be seen by passers-by.
Then the raider helped himself to £150 from the till, which he stuffed into a plastic bag before leaving.
Detectives have issued this picture of the raid, which happened at Unwins in Victoria Terrace, Hove, on December 18 at 8.33pm.
Security cameras in the store, close to King Alfred Leisure Centre in Kingsway, picked up the 6ft man in his 30s as he entered the shop.
He has long, dark hair, a goatee beard and a thin face. Anyone with information should phone Hove police on 0845 6070999.
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