The Garda killed in Co. Roscommon overnight has been named as Detective Garda Colm Horkan.
It happened in Castlerea shortly before midnight last night.
The 49-year-old was shot on Main Street in Castlerea shortly before midnight. It is understood he was on duty when he became involved in an altercation near the garda station.
His gun was taken from him during the incident and a number of shots were fired at him.
He was treated at the scene by ambulance personnel before being pronounced dead. His body has since been removed to Castlebar General Hospital where a postmortem will be carried out later today.
A man in his 40s has been arrested in connection with the shooting and taken to Castlerea Garda Station.
The killing has also been referred to GSOC as a garda firearm was involved.
Investigators are now trying to establish the circumstances surrounding the shooting and gardaí have appealed for witnesses or anyone with any information on the shooting to come forward.
In a statement, Gardaí said: “It is with deepest sadness An Garda Síochána confirms the death of our colleague, resulting from fatal gunshot wounds received during an incident in Castlerea shortly before midnight on Wednesday 17th June 2020.”
"Ar dheis Dé go raibh a anam."
Detective Horkan was an experienced detective from County Mayo, who had served in the gardaí for 24 years. He is survived by his father, sister and four brothers.
Tributes have been pouring in for him and his family this morning
