A number of youths were involved.
Three teenagers have been hospitalised following an assault in Co. Kildare last night, while one teenager has been arrested.
The incident happened in Naas at around 10.45pm in the Harbour View and Basin Street area.
Three teenage boys were taken to Naas General Hospital with non life threatening injuries, while Gardaí arrested one teen today, and he's being questioned at a Garda Station in Kildare where he can be held for up to 24 hours.
Gardaí are appealing to anyone who was near the harbour in Naas last night between 10-11pm to contact them.

Vacuum-Packing Machine Lid Killed Worker As Kildare Town Firm Faces Court Over Second Fatality
Water Test Failure Disrupts On-Base Military Training At Curragh Camp
Government Told Grok Clothing-Removal Feature Has Been Disabled Worldwide
Kildare North TD Says He Acted Immediately To Repay Pension Overpayment When It Came To Light
Maynooth Study: Pet Loss Causes The Same Level Of Grief As Losing A Loved One
Kildare TD James Lawless Pays Back Following Pension Error While Martin Heydon Unaffected
Call To Review Cycle Lane In Maynooth Following Two Accidents, With One Resulting In 86-Year-OId Cyclist Breaking His Hip
Up To €1,000 Available For Kildare Parent And Toddler Groups