“The Omagh bombing was a car bombing on 15 August 1998 in the town of Omagh, County Tyrone, Northern Ireland, United Kingdom. (...) Telephoned warnings had been

“The Omagh bombing was a car bombing on 15 August 1998 in the town of Omagh, County Tyrone, Northern Ireland, United Kingdom. (...) Telephoned warnings had been sent almost forty minutes beforehand and police inadvertently moved people toward the bomb.” https://en.m.wikipedia.org/wiki/Omagh_bombing https://en.m.wikipedia.org/wiki/Omagh_bombing