This dramatic CCTV footage shows the moment a masked gunman burst into a Derbyshire bank, before escaping with thousands of pounds.
The robbery took place at the branch of Royal Bank of Scotland in Matlock on the afternoon of Wednesday 18th February.
A reward of £15,000 has been offered to anyone who can provide information leading to the identification of the robber.
Officers would like anyone who recognises the man to contact them on 101 quoting crime number 7104/15.
To report crime anonymously call Crimestoppers on 0800 555 111.