Two teenage boys have been stabbed and three others have been hurt in violence that broke out in Stoke-on-Trent.
The boys, aged 13 and 14, were taken to hospital for treatment to stab wounds after trouble erupted on the streets of Chell Heath.
A 15-year-old boy also received hospital treatment, while two others aged 14 and 15 sustained minor injuries.
Emergency services were called to Deakin Road at around 6pm yesterday (December 12).
Four boys, aged 13, 14, 15 and 16 and from Stoke-on-Trent, were all arrested on suspicion of causing grievous bodily harm with intent.
They remain in police custody today as a major investigation gets underway.
Now officers are urgently appealing for witnesses to come forward as they have stepped up patrols.
A Staffordshire Police spokesman said:
A West Midlands Ambulance Service spokesman said: "We were called at 6.10pm to reports of two youths assaulted in the Chell Heath area. "Two ambulances and a paramedic officer were sent to the scene and assessed both teenagers.
"One was taken to the Royal Stoke University Hospital and the second was discharged at the scene."
Anyone with information is asked to call Staffordshire Police urgently on 101 quoting incident 625 of December 12.