Police were called to Monier Road to reports of a knife attack yesterday (June 26) just after 11pm.
Medics treated the woman, however, she was pronounced dead at the scene.
Her next of kin have been made aware and are currently being supported by specialist officers.
A man in his 20s was arrested on suspicion of murder and remains in police custody.
According to the Metropolitan Police, he was known to the victim.
Detective Superintendent Mike Cagney, who leads policing in Tower Hamlets, said: “We are currently supporting the family of a woman who was sadly killed in the early hours of this morning.
“I understand the local community will feel understandably shocked by this news, but I want to reassure residents we believe this to be an isolated incident, with no wider threat to the public.
“Although we have made significant progress by making an arrest, I would like to make it clear that our investigation does not stop here. Specialist officers are working at pace to make enquiries and understand exactly what took place.
“Local people may notice a higher police presence within the area today and would encourage anyone with concerns to speak to officers.”
Anyone with information is asked to contact police on 101 quoting CAD9509/26JAN.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.
