A teenager was arrested and another was taken to hospital after a number of incidents in Cobh on Saturday night.
Gardaí were alerted to ongoing incidents in the Ballynoe Hill area of the town where a large number of teenagers had gathered.
The group would disperse and then return to the area once Gardaí left.
One boy cut his hand on a fence and had to be taken to hospital by ambulance, while another boy was arrested later that night and taken to Cobh Garda station where his parents were contacted to collect him.
