Staff at a McDonald's restaurant in Peterborough were threatened during an armed robbery this morning.
Cambridgeshire Police were called to Padholme Road just before 10.45am today.
A man wearing a balaclava and high-visibility yellow jacket threatened staff and demanded money.
Police said he made off with the cash but no-one was injured.
A spokesman said: “We’re searching the area, checking CCTV and speaking to witnesses."