The sentencing of a the man found guilty of the manslaughter of Paul Boyle on Arranmore Island in 2009 is scheduled to take place later today.
41 year-old Stephen Boyle was found not guilty of murder but guilty of the manslaughter of 19 year-old Paul Boyle at the Central Criminal Court in February.
Paul Boyle, who was from the island of Arranmore, was out for a night with his father and friends when he died.
Stephen Boyle lived in London but came back and forth to a house he built on the island.
He admitted stabbing the teenager in the neck with a glass.