Thames Valley Police is appealing for witnesses after multiple robberies took place in Bletchley, according to Thames Valley Police.
The alleged offender first entered Peak Pharmacy, Melrose at around 5pm on Friday 10 September, threatening members of staff with a screwdriver before making off with money.
Later that day, at around 8pm, the suspect entered the Paddy Power branch in Queensway.
He again threatened staff with a screwdriver, demanding cash from the till and then made off with money again.
The suspect also made an attempt an hour afterwards to enter Ladbrokes, Queensway but the door was locked.
He has been described as a white man between 25 and 35 years old, with dark hair and a slim build.
The suspect is thought to have been wearing a black coat with grey jogging bottoms, a blue surgical mask and black ski glasses.
Investigating officer Detective Constable Sebastian Kuzoe, based at Milton Keynes police station, said: “I am appealing to anyone who witnessed or knows anything about these incidents to please come forward.
“Anyone with information can contact police by making a report online or calling 101.
“Alternatively, if you wish to remain anonymous, you can contact the independent charity Crimestoppers on 0800 555 111 or via their website.”
Image source: Milton Keynes Citizen