A reward of £10,000 is being offered after a bookmakers in Preston was robbed twice in two days.
Both offences took place at William Hill on Ribbleton Lane when a man entered the shop with a knife and demanded money. During both robberies he escaped with cash from the till.
The first offence took place around 9.20pm on Saturday 11th January when around £300 was stolen and the second offence took place around 9.45pm on Monday 13th January when around £200 was taken.
Police believe the same man could be responsible.
William Hill are offering up to £10,000 for information leading to an arrest and conviction.