Three men were stabbed during a fight involving "a large group of people" in Sheffield, according to police.
Officers were called to reports of fighting on Hinde Street in Page Hall just after 23:30 BST on Saturday.
A South Yorkshire Police spokesperson said three men suffered stab wounds and were taken to hospital where they received treatment for non life-threatening injuries, while a fourth man suffered minor injuries.
Two boys aged 17 and a 24-year-old man have been arrested in connection with the incident.
One of the 17-year-old boys has been arrested on suspicion of possession of an offensive weapon, affray and assault causing grievous bodily harm.
Another 17-year-old boy has been arrested on suspicion of affray.
The 24-year-old man has been arrested on suspicion of possession of an offensive weapon and affray.
A force spokesperson confirmed all three remained in custody.
Officers used a dispersal order break up the group.
Supt Lee Dowswell said: "We know this incident is likely to cause concern within the local community.
"There will be a heightened police presence in the area, with additional proactive patrols planned today and over the coming days."
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