Four men aged 22, 20, 21 and 23 have been arrested in South London on allegations that they fatally stabbed to death a Nigerian teenager named John Ogunjobi.
John was on November 5 found unconscious on Greenleaf Close Tusle Hill and died shortly afterwards.
A postmortem done on the deceased indicated that he died due to a stab wound.
Police are appealing to anyone who may have captured footage or images of the incident on their mobile phone to contact them, BBC reports.
“We believe the victim was attacked by a number of suspects and the altercation would have undoubtedly drawn the attention of those who were in the vicinity,â€ťDetective Chief Inspector Richard VandenberghÂ told BBC.
John became the 120th victim in London this year, four more killings than in the whole of 2017.
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