Detectives investigating the fatal stabbing of a Hasan Ozkan in Barking have made a new arrest.
On Wednesday 21 February, a 18-year-old man [C] was arrested in Barking on suspicion of murder. He has since been bailed to return on a date in mid-March.
Officers continue to appeal for information following the fatal attack.
Police were called at approximately 22:11hrs on Saturday, 3 February, to reports of a stabbing in Abbey Road, Barking.
Officers attended along with London Ambulance Service and found a 19-year-old man, Hasan Ozcan from Barking, suffering from stab wounds.
Hasan was pronounced dead at the scene at 22:55hrs.
A special post-mortem examination took place on Tuesday, 6 February at Queen's hospital mortuary and gave the cause of death as multiple stab wounds.
On the morning of Friday, 16 February, a 15-year-old boy [A] and a 19-year-old man [B] were arrested at addresses in Dagenham and Hornchurch on suspicion of murder. They have since been bailed to return on a date in mid-March.
Detectives from the Homicide and Major Crime Command (HMCC) are investigating and are continuing to appeal for information.
The investigation is being led by DCI Larry Smith. He said: "We have made arrests but we are still appealing for information so we can establish the circumstances which led to a young man losing his life.
"It is vital that those out there with information who haven't yet done so contact the police.
"I would like to appeal to anyone who saw a group of males loitering in the area on the evening of the attack. Were you there? Did you see the suspects arrive or leave the scene?
"Anyone with information is requested to call the incident room on 0208 345 3985. Your call will be treated in the strictest confidence."
Any witnesses or anyone with information that may assist the investigation should contact HMCC officers via 0208 345 3985.
To remain anonymous call Crimestoppers on 0800 555 111 or visit crimestoppers-uk.org.
You can also tweet information to police via @MetCC.