A GANG threatened staff at a Halifax video store before escaping with a large amount of cash.
The three robbers burst into Blockbuster in Charles Street between 10pm and 11.15pm on Sunday night.
They threatened two people working at the shop.
One raider is thought to have been carrying a hammer.
All three were described as about 5ft 10ins tall.
One was white, in his 30s, well built and wearing a red jacket.
Another was slim and spoke with a local accent.
Anyone who witnessed the robbery or has information that might help police is being asked to call Calderdale CID via 101.
Information can also be passed on anonymously by calling CrimeStoppers on 0800 555111.