A man was stabbed to death in Dundalk, Co Louth shortly before 9am this morning.
He was pronounced dead at the scene.
A number of other people were also hurt in the incident but the extent of their injuries is unknown.
There are currently three scenes preserved for technical examination, at Avenue Road, Inner Relief Road and Seatown.
A man has been arrested and is being held at Dundalk Garda Station.
Gardaí are appealing for witnesses to contact Dundalk Garda Station on 042 9388400, the Garda Confidential Line 1 800 666 111 or any Garda Station.