Police were given additional powers to stop and search people in Hackney for the second night in a row after an attempted gunpoint robbery in Stamford Hill.
Firearms officers and members of the robbery squad were called to Ravensdale Road at 3.10pm on Monday afternoon and found a gun at the scene.
Volunteer led Jewish neighbourhood watch group Shomrim said its officers were supporting the "very shaken" victim, and that it wasn't clear if the robbery was a hate crime or an attempted robbery.
Hackney police said afterwards on Twitter that following "further violent incidents" another Section 60 was in place until 10.15am on Tuesday.
It comes after a 15-year-old boy was left in critical condition after being stabbed in Brooke Road, Upper Clapton, on Sunday night.
Two 18-year-olds, one of whom took himself to hospital after also being stabbed, have been arrested on suspicion of attempted murder and a Section 60 was ordered until 10am on Tuesday.
Anyone with information about the Brooke Road incident can call 101 quoting CRIS 4604639/20. To remain anonymous call Crimestoppers on 0800 555 111.
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