Northern Ireland ? Survivors of the 1998 car bombing of Omagh, the deadliest terror strike in the history of Northern Ireland, laid floral wreaths and observed a minute’s silence Sunday at the spot where 29 people were slain by Irish Republican Army dissidents.

Nobody has been convicted of the crime, although the accused bomb maker, 33-year-old Sean Hoey, has been in jail awaiting trial for more than a year.

The Real IRA, a dissident group opposed to the IRA cease-fire of 1997 and Northern Ireland’s Good Friday peace accord of 1998, claimed responsibility for bombing Omagh. The death toll was particularly high because police, responding to vague telephoned warnings, unwittingly evacuated workers and residents toward the bomb, which detonated in the middle of a crowd.