Police are hunting this man after a young woman was sexually assaulted after being pounced on from behind during an early-morning walk to her gym.
Detectives from Newham Borough are investigating the sex attack in Stratford, east London and have issued this CCTV image.
On Friday, February 26 police were called at around 7.45am to a report of sexual assault on Penny Brookes Street.
The assault was reported to have occurred at some point between 6.10am and 6.30am that morning.
As the 25-year-old woman walked to a nearby gym on Penny Brookes Street, a man approached her from behind and sexually assaulted her.
The suspect is described as a man of medium build, wearing a dark jacket with a light fur trimmed hood.
He was wearing a rucksack and dark tracksuit bottoms with writing down the leg tops.
Police are keen to hear from anyone who may recognise the man shown on CCTV or who witnessed the incident.
Anyone with any information is asked to contact police on 020 8217 5414 or via 101 quoting reference number 210408, or Crimestoppers anonymously on 0800 555 111.