Police have released a CCTV image of a man they wish to trace in connection with a sexual assault in Poplar.
The incident happened between 12:40hrs and 13:20hrs on Friday, 16 December 2016 at a spa in Cabot Place, E14.
A man entered the venue and requested a massage from a female member of staff. However, he then exposed himself before sexually assaulting the woman - he then left the scene.
The man is described as of Asian appearance, about 6ft tall of slim build with dark hair. He was wearing a white shirt, dark suit trousers, a light coloured jacket and trainers - he was also carrying a dark rucksack.
Officers from Tower Hamlets investigate.
Anyone who recognises the man shown in the image or who has information that could assist the investigation is asked to contact Tower Hamlets police via 101 or call Crimestoppers anonymously on 0800 555 111.
Alternatively, you can tweet information via @MetCC.