Police are investigating three robberies and two burglaries that were reported to police from Thursday 1 February to Wednesday 7 February.
Detectives have released the CCTV images of two men who may have information regarding the incidents.
On Thursday 1 February between 10:10 pm and 11:45 pm a fast food restaurant on the Moor had been broken into causing damage to the door. A quantity of cash was stolen from the premises.
At around 8:40 pm on Monday 5 February officers responded to reports of two men armed with a knife who made demands for cash at an off-license on Ecclesall Road. No one was hurt in the incident.
Another incident occurred on Tuesday 6th February, where two men, one armed with a hammer demanded cash at a fast food restaurant on Fulwood Road in Broomhill.
Another two incidents occurred both involving sums of cash being stolen from a petrol station on Abbeydale Road and a newsagents on Brooklands Avenue. In one incident excessive damage was caused to the door of the store.
Investigations are currently ongoing into all of the incidents and a team of detectives are making enquiries in the area and reviewing CCTV footage.
The two men featured in the CCTV image are believed to hold vital information about the incidents.
If you have any information that can assist officers with their investigations, please call 101 quoting incident number 970 of 6/02/18.
Anonymous information can also be given to Crimestoppers via 0800 555 111