Gerry Adams: Police murder 'futile' attack on peace process
3 April 2011 Last updated at 14:20 BST
Police in Northern Ireland investigating the murder of one of their officers suspect dissident republicans were behind the killing.
25-year-old Ronan Kerr, who was Catholic, was killed when a bomb exploded under his car in Omagh on Saturday.
The Sinn Fein President, Gerry Adams described the attack as a "futile attempt" to derail the peace process.