People at a candlelit vigil in Dublin for George Nkencho. Photograph: Niall Carson/PA Wire

Much of the final hour of George Nkencho’s life was filmed, with the videos shared around social media and WhatsApp groups despite pleas from his fam(...)

Garda training: Many armed gardaí go their entire careers without firing or even drawing their weapons. File photograph: Brian Lawless/PA Wire

Accidental discharges account for almost a third of all Garda firearms use in the past five years. Since 2016 armed gardaí have fired their weapons o(...)

SAR co-founder Sheelagh Brady: “We are taking technologies that already exist but bringing them together differently to create a robust, focused and more effective communications system.”

People are constantly on the move travelling for business and pleasure. Most of the time all goes well but if there’s a problem and it escalates, then(...)

A girl leaves flowers for the victims  in central Manchester. Photograph: Peter Nicholls/Reuters

The people behind the Manchester bombing selected a venue attended by young people intentionally in order to generate the maximum “shock and awe facto(...)

Concert goers react after fleeing the Manchester Arena where Ariana Grande had been performing. Photograph: Jon Super/Reuters

A leading security expert said it appeared that children were deliberately targeted in Monday night’s suicide bomb attack in Manchester. Crime and se(...)