document: Booby-trap bomb kills Northern Ireland policeman DUBLIN -- A 25-year-old Catholic policeman who had just joined Northern Ireland 's police force was killed Saturday when a booby-trap bomb exploded as he got into his car , police and neighbors said . No group claimed responsibility . But police and politicians universally blamed Irish Republican Army dissidents who have repeatedly planted bombs underneath the private cars of off-duty police officers , particularly new Catholic recruits , in a bid to stop cross-community support for law and order . Until Saturday , such booby-trap attacks had badly maimed two other officers but killed nobody . It was the first lethal attack on Northern Ireland security forces in more than two years . The IRA dissidents have stressed their determination to target any Irish Catholics who join the Northern Ireland police force . Building Catholic support for the once Protestant-dominated police force is a central goal of Northern Ireland 's peace process . '' `` Those who carried out this wicked and cowardly crime will never succeed in dragging Northern Ireland back to a dark and bloody past , '' '' British Prime Minister David Cameron said in London . And reflecting the exceptional political solidarity in Northern Ireland today , leaders from both the British Protestant and Irish Catholic sides of the community condemned the bombers and vowed to bring them to justice . '' `` While those behind this act seek to promote division and conflict , let us state clearly : They will fail , '' '' said Sinn Fein deputy leader Martin McGuinness , a former IRA commander who is the senior Catholic in Northern Ireland 's four-year-old unity government . '' `` The process of peacebuilding will continue and the community is united in rejection of them . '' '' In Dublin , newly elected Irish Prime Minister Enda Kenny called the killing '' `` a heinous and pointless act of terror . '' '' And his justice minister , Alan Shatter , vowed that '' `` no effort will be spared in bringing the perpetrators of this dreadful crime to justice . '' '' Many of the IRA dissidents live along the border in the Republic of Ireland . U.S. Secretary of State Hillary Rodham Clinton issued a statement echoing the '' `` unequivocal condemnations '' '' by Northern Ireland politicians of the police officer 's killing . '' `` The perpetrators of this cowardly act represent the failures of the past , and their actions run counter to the achievements , aspirations , and collective will of the people of Northern Ireland , '' '' Clinton said .
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