A 28-year-old man has died after being stabbed.
Marvin Hogan was attacked in Thornhill Gardens, Leyton, at around 9.40pm yesterday (Monday June 4).
Police say they are keeping an open mind over the motive but they do not believe it was gang-related.
Mr Hogan, who lived in the area, was in his silver Vauxhall Astra in nearby Windsor Road when he was approached by a number of men and an altercation occurred, officers say.
Minutes later he was stabbed in Thornhill Gardens.
He was taken to Royal London Hospital but died in the early hours of this morning (Tuesday June 5).
His mother Jean said in a statement: "If anyone knows what happened to my son please come forward and tell the police."
The Met has opened an incident room under Acting Detective Chief Inspector Rob Pack of the Homicide and Serious Crime Command (HSCC).
He said: "We are asking anyone in the area who may have seen or heard anything of the incident to come forward.
"If you recall anything suspicious - no matter how trivial it might appear - we need to hear from you.
"It could help bring those responsible for Mr. Hogan's murder to justice."
The results of a post mortem held today are yet to be released.
Anyone with information is urged to contact the Met's incident room on 020 8345 3865.
To remain anonymous call Crimestoppers on 0800 555 111.
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