An investigation has been launched into an alleged assault on two Gardaí in Mayo overnight.

The officers were out on mobile patrol in Claremorris when they stopped a group and an altercation ensued.

A male garda received hospital treatment and has since been discharged while his female colleague did not require hospitalisation.

Three men aged 18, 21 and 22 years old were arrested a short time later and are currently being detained at Claremorris Garda station.