A 17-year-old boy was pushed to the ground and robbed of his phone in Milton Keynes last week.
He was walking along Springfield Boulevard towards Marlborough Street with this friend when he noticed two men walking behind him.
One man pinned the victim to the ground when they got to Campbell Park while the other stole his iPhone 5 and black and white Nike rucksack.
Both offenders then walked back through the underpass towards Springfield Boulevard at around 1.40pm on Wednesday, July 30.
The victim did not sustain any injuries.
The first offender is a black man in his late thirties or early forties, he was between 5ft 8ins - 5ft 11ins tall, of a medium build with short black hair and a beard. He was wearing a green polo shirt and dark blue jeans.
The second offender is a white man in his early forties, around 5ft 8ins tall, and of a slim build. He was wearing a bright blue Adidas zip up jacket which had blue and red vertical stripes, light coloured jogging bottoms or jeans.
If you have any information please contact Det Con Wendy Cissell from Milton Keynes police station via the Thames Valley Police Enquiry Centre on 101.
If you don’t want to speak directly to police you can contact Crimestoppers anonymously on 0800 555 111 or online at Crimestoppers-uk.org.
No personal details are taken, information is not traced or recorded and you will not go to court.