A young man and woman were attacked by a group of teenagers in Reading who demanded money on Wednesday, April 30.
Thames Valley Police are now appealing for witnesses after the robbery was reported by a member of the public.
The witness described the victims as a young Asian man and woman who were attacked and then the group demanded money from them before letting them leave.
The male victim sustained an injury to his face.
The incident took place in Highbridge Wharf, Reading between 6-7pm.
The offenders have been described as aged between 14-17, with one wearing a face covering,
Investigating officer Chris Birkitt, said: “I am appealing to anybody who may have witnessed this incident, or who may have dash-cam, CCTV or mobile phone footage to please get in touch with Thames Valley Police.
“It is understood that there were a number of people walking by at the time who may have witnessed the incident.
“You can submit digital evidence via our dedicated portal for this investigation, report online, or via 101, quoting reference 43250212172.
“If you wish to remain anonymous, you can also contact the independent charity Crimestoppers on 0800 555 111.”