The fatal M9 crash and social media 'likes'.

Five teenagers dead, four people from the same family in a serious condition in hospital. The teens were driving a stolen BMW on the wrongside of the motorway when they hit the other car. There have been several other similar incidents over the past few months of teens driving dangerously and posting on social media. Presenter Karen Creed is joined by Robin Schiller of the Irish Independent to get the latest on the crash. Later Professor Niamh Hourigan of MI and UCD Researcher Donal O'Hare discuss the role social media plays in driver behaviour. See omnystudio.com/listener for privacy information.