Detectives are appealing for witnesses to an assault on London Fields in Hackney.
On Monday, 19 April at 15:20hrs , two women were walking in London Fields Park when a male attacked one of them.
The suspect, believed to be aged between 15 and 19 years old, punched the woman in the face and ran off in the direction of Haggerston, possibly through Shrubland Road, E8.
He is described as white, 5ft 9ins to 5ft 11ins tall, of a medium build, with brown hair. He was wearing a black zipped up jacket with his hood pulled up over his head.
The woman sustained injuries to her face and a fractured cheekbone.
Detective Constable Annabel Gibson, said: “It was a sunny day and lots of people were in the park. Someone will have witnessed this incident and we would like anyone with information to please come forward.
“We take incidents of this nature very seriously and I would like to find the person responsible for this terrible, unprovoked attack.”
Anyone with information or who may have witnessed this assault is asked to call police via 101 quoting reference CAD 4378/04May. To remain anonymous call Crimestoppers on 0800 555 111.