Two more people have been arrested on suspicion of murder following the fatal shooting of a 14-year-old boy in southeast London.
Eghosa Ogbebor was killed in Woolwich on Thursday.
A 16-year-old boy and 19-year-old man have been arrested on suspicion of murder and remain in custody.
A 46-year-old man was also arrested on suspicion of assisting an offender and remains in custody.
Two boys, aged 14 and 16, and an 18-year-old man, who were arrested on Friday in connection with the incident have since been released on bail while enquiries continue.
Officers were called to the scene in Lord Warwick Street, which is close to the Woolwich Ferry and Woolwich Dockyard train station, at around 3.40pm on Thursday.
Eghosa was pronounced dead at the scene and police said his family are being supported by specialist officers.
Detective Chief Inspector Lucie Card, of the Metropolitan Police, said: "Our team of dedicated detectives are continuing enquiries to investigate Eghosa's tragic death.
"Residents in Woolwich may have noticed a large amount of police activity last night, as officers arrested three further people in connection with the investigation.
"We appreciate the concern that Eghosa's death has caused, particularly among the local community who will continue to see an increased police presence around the area."
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DCI Card added: "There may be people who have heard information or witnessed suspicious activity in the area but not yet contacted police. We urge these people to contact us and assist with the investigation.
"We will continue to support and update Eghosa's family as the investigation continues and our thoughts remain with them at this incredibly difficult time."
Following the killing, London mayor Sir Sadiq Khan said: "My thoughts are with the family, friends and wider community in Woolwich following the appalling fatal shooting of 14-year-old boy.
"There is absolutely no place for this heart-breaking violence."
It was the second fatal shooting in the capital in less than a week.
Nahom Medhanie, 26, was shot dead while sitting in a car near Euston station in central London at around 11pm on the previous Saturday.
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