Police are appealing for information after two lone women were stabbed in potentially linked incidents in Wapping.
Two women, aged 38 and 26, were attacked in two separate incidents over the past 15 days.
Police say the similarities in the attacks suggests it might be the same man.
Anybody with information should call Tower Hamlets Police on 101 or, to remain anonymous, Crimestoppers on 0800 555 111.
More top news
Two women had to be rushed to hospital after the driver of a 'BMW' mounted the pavement in a hit-and-run crash.
The shocking moment a cyclist was threatened by a driver with a metal baseball has been captured on a video posted online.
Music festivals and big sporting venues put on on “high alert” - one of Britain's most senior anti-terror police officers has revealed.