Thames Valley Police is re-appealing for witnesses following an armed robbery in Wolverton in July.
Police received a report of a robbery at Star Fashions in The Square at 2.10pm on Wednesday, July 31.
Two men wearing burkas threatened staff with a gun.
Investigating officer Det Con Gary Huff, of Milton Keynes Force CID, said: “Enquiries are still ongoing currently. Anyone with any information about the incident or who may have any details which could help the investigation should contact police.
“We are also keen to speak to anyone who may have seen a black Fiat 500 acting suspiciously in the area.”
If you have any information about the incident, contact the Thames Valley Police Enquiry Centre on 101.