Police are hunting two masked men who armed with a metal bar raided a Burnley bookies at the weekend.
A lone female worker at the William Hill betting shop in Briercliffe Shopping Centre was left fearing for her safety during the terrifying incident between 9 and 9-25pm on Saturday.
One of the men remained outside the shop while the other approached the counter brandishing the bar and threatening the woman.
The woman retreated to a back office and after the robber failed to gain entry to the store office he reached under the security glass and took a coin holder containing £137.
The man with the bar was described as Asian, of slim build and was wearing a hooded top.
Anybody with any information can contact police on 101 or by calling Crimestoppers, anonymously, on 0800 555 111.