Investigations and prosecutions are too infrequent to act as a deterrent against fraudulent behaviour, Justice and Equality Minister Charlie Flanagan has said.

Volkswagen has said investigations have found discrepancies in carbon dioxide emissions in far fewer than the 800,000 vehicles it initially suspected.

Investigations are continuing into a tiger kidnapping in Dublin which has left a family of three traumatised.

An investigation have been launched into a gas explosion in Dublin which injured two men.