A murder investigation is under way after a 31-year-old man stabbed in a street fight in Plaistow involving several people died five days later in hospital.

The man had turned up in hospital with a head injury last Thursday.

Detectives believe he was injured in a stabbing in Plashet Road at 3.30pm that day.

He has been named as Titu Miah, who came from Plaistow. His next of kin have been informed. A post-mortem examination is due.

A 16-year-old boy was taken by ambulance to hospital with leg and chest injuries in the same incident and was later discharged, but has since been arrested.

Detectives are appealing for or anyone with information to contact them.

“We are keen to piece together the sequence of events that lead to Titu’s death,” Det Chief Insp Dave Whellams said.

“The group fighting was described as seven to eight Asians. A man has since lost life from this incident.”

Three others including a 14-year-old schoolboy have also been arrested as part of the investigation.

The schoolboy was arrested on Saturday on suspicion of affray, followed by a 17-year-old and an 18-year-old the following day on suspicion of GBH.

The injured 16-year-old treated in hospital was arrested on Tuesday on suspicion of GBH and violet disorder.

All four have been released while under investigation.

Witnesses who were in Plashet Road last Thursday at around 3pm or anyone with information is being urged to call 020-8345 3775, or Crimestoppers anonymously on 0800-555111.