A boy aged 17 was held at gunpoint in his south London home for three hours by burglars police describe as “the very worst of our society”.
He opened the door to a stranger who forced entry with two accomplices, the Met Police said.
The teenager and four occupants were threatened with a firearm and a knife around 5.50pm on Sunday, April 18.
The suspects left three hours later and ransacked the victim’s car parked on a nearby estate.
They then fled down Lansdowne Way, Stockwell with a total of £1,000 in cash and valuables in two Nike backpacks.
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Scotland Yard said the first suspect is a black male, clean shaven and with short black hair.
He is in his early to mid-20s, 5ft 10ins, of a slim build and wearing light navy tracksuit bottoms with one white stripe down each leg.
The second is a lighter skinned black male, 5ft 6ins, wearing all black. He had a hood up and something white covering his face.
Suspect three is described as a black male.
The victims and their families are being supported by specially trained officers.
Detective Constable Will Wigzell, of the burglary and robbery investigation team, said: “This was an incredibly traumatic experience for the young victim and all those involved, which could have resulted in a far worse outcome.
“This is a serious offence involving the production of a firearm.
“Whilst offences like this are rare, those committing them represent the very worst of our society and it is vitally important we find those responsible, to hold them accountable for their actions and give justice to the victims.”
He added: “The offence timings in this case are very narrow and we believe witnesses would have seen the suspects fleeing.
“I urge anyone to please come forward if they saw three males acting suspiciously, or any vehicle being driven in a dangerous or reckless manner.
“I am asking anyone who was in or lives within this area, to review CCTV or dash-cam footage that may show the suspects making off.
Anyone with information, dash-cam footage or residential CCTV is asked to contact police on 101, quoting CAD is 6823/18APR.
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