An 18-year-old man arrested on suspicion of murdering Joshua Folkes has been bailed by police.
The man was arrested on Tuesday and has been released until a date in January while officers continue their investigation.
Folkes, 17, suffered stab wounds to the chest in the attack in Bowes Road, Palmers Green, between 12am and 12.20am on December 3.
Despite the efforts of the London Ambulance Service and London's Air Ambulance, he was pronounced dead at the scene.
Kreshnik Etemi, 18, of Hill Road, Muswell Hill, has been charged with murder and has been remanded in custody until a hearing on Tuesday. A 17-year-old boy, who cannot be named for legal reasons, has also been charged with murder.
A girl aged 15 has been bailed to return to a north London police station on a date in mid-December pending further enquiries.
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