Police have arrested two more people in connection with a stabbing of a 16-year-old boy in West Ham Park, Forest Gate, on Sunday, 9 July.
A 14-year-old boy and a 16-year-old boy have both been arrested on suspicion of attempted murder and are in police custody.

Two 16-year-old boys arrested on suspicion of attempted murder also remain in police custody.
The victim remains in a life threatening condition at an east London hospital.
Just after 17:30hrs on Sunday, 9 July, officers responding to a report of a stabbing found a 16-year-old boy with stab wounds.
Officers provided the boy with emergency first aid prior to the arrival of London Ambulance Service paramedics and the London Air Ambulance.
Chief Superintendent Simon Crick, lead for policing in Newham, said: “This is a tragic and senseless stabbing of a young person in Newham. My thoughts at this time are with the victim’s friends and family. As a father myself, I can only imagine the pain they are suffering at this time.

“This incident will send shockwaves through our communities and I appeal to the many people who will have been in the park at the time of the stabbing to come forward and speak to us about what they may have seen. We all have a responsibility to bring the perpetrators of this senseless attack to justice.”
Anyone with information about the incident should call 101, giving the reference 5423/09JUL.
Alternatively, this information can be reported anonymously to the independent charity Crimestoppers on 0800 555111.