Prison officer murdered on NI motorway
1 November 2012 Last updated at 14:01 GMT
A prison officer has been murdered after shots were fired at his car, which then crashed on the M1 in Northern Ireland.
The shooting happened on the Belfast bound carriageway between Portadown and Lurgan at 07:30 GMT on Thursday.
The victim was named by police as David Black. It is believed he was targeted by members of a dissident republican group.
Police are investigating a link between the attack and a burnt-out car found in Lurgan, County Armagh.
Andy Martin reports from Belfast.