At 2.40pm on Wednesday a 19-year-old man wearing a gas mask walked into his former high school armed with smoke grenades and an AR-15 style rifle. The latest mass shooting in American history had begun. Approximately two-thirds of schools in the United States now conduct active-shooter exercises, during which teachers and students are trained on what to do if an armed intruder enters the building. “Let me just note once again for my colleagues: this happens nowhere else other than the United States of America. This scourge of school shooting after school shooting.

Source: The Irish Times February 15, 2018 06:50 UTC