Thames Valley Police is appealing for witnesses following a robbery in Slough.
Sometime between 4.30am and 5.30am on Saturday (26/8), the victim, a man aged in his twenties, was running along Wellington Street for exercise.
When he approached the Queensmere Shopping Centre and the Tesco footbridge, a group of five men surrounded him.
One of the offenders brandished a knife and demanded the victim emptied his pockets.
Another offender then hit the victim, but he was not injured.
The victim handed the main offender his iPhone 14 Pro Max then the group walked off in the direction of Mackenzie Street.
All of the offenders were described as male and were all wearing black or blue snoods.
The main offender had short black hair, brown skin and was around 6ft tall. He was wearing a black jumper and black jogging bottoms.
The offender who hit the victim was around 5ft 8ins tall and was wearing a black beanie hat, black Puffa jacket and grey jogging bottoms.
Investigating officer Detective Constable Sikander Channa, based at Slough police station, said: “This incident occurred early in the morning but I am appealing to anybody who may have been in the area to get in touch.
"Also anyone who may have been driving in the area and has a dash-cam, please check the recordings and contact us if it has picked up anything that could assist the investigation.
“Anybody with any information is urged to call us on 101 or contact us via our website, quoting reference number 43230383003.
“Alternatively, you can call the independent charity Crimestoppers anonymously on 0800 555 111.”
UPDATE: The description and quote have been amended.