A jewellery store in Northampton has been raided by five armed men.
The incident happened at the Michael Jones store in Gold Street at around 10.40am on Friday 14 December.
A car was driven into the jewellers and five men in balaclavas got out and threatened staff with weapons.
The men stole jewellery and made their get away in a silver Hyundai. The Hyundai was later found abandoned in Auctioneers Way, Northampton.
Detective Inspector Johnny Campbell, said: “This incident was extremely distressing for the staff in the store who we are determined to get justice for by catching these criminals.
“This is an extremely fast-paced investigation and we are following a number of lines of enquiry at the moment as we attempt to track down these five men.
“I am aware that photos and videos of this incident are already circulating on social media and I would urge anyone with any photos or video footage to contact us on 101 so that we can arrange a time convenient to them for us to visit them and collect this evidence.
"To make this process easier, it would assist us greatly if you provide us with the make and model of the device that contains the photo or video when you call in so that visiting officers can retrieve the information quickly and easily."
Anyone with any information about the incident can contact police on 101 or call Crimestoppers on 0800 55511.