A 13-year-old boy had his iPhone 5 stolen as he walked through Midsummer Boulevard.
At 4pm on Friday (22/2) offenders approached the victim on Midsummer Boulevard, demanded his phone and grabbed hold of him.
He then handed the phone to them and ran towards Milton Keynes Food Hall.
The offender is a boy between 15 and 18-years-old, between 5ft 10ins and 6ft, of slim build with curly black hair. He was wearing a black Adidas jumper with a grey hood, a black jacket with cross stitching and grey jeans.
Any witnesses can call police on 101 or Crimestoppers, anonymously, on 0800 555 111.