Sunday Bloody Sunday (John Lennon and Yoko Ono song) government into removing its troops from Northern Ireland, shortly before Lennon moved to New York. On 30 January 1972 at a protest march in Derry, 13 marchers were killed by members of the 1st Battalion, Parachute Regiment. The killing was quickly dubbed "Bloody Sunday". Lennon, who was living in New York at the time, was enraged by the massacre and wrote "Sunday Bloody Sunday" as an angry response. The lyrics of "Sunday Bloody Sunday" express Lennon's anger. Ben Urish and Ken Bielen explain that the lyrics "start off with some nice rhetorical spins and a modicum of insight" but eventually
Bloody Sunday (1972) have seen for myself the very difficult and dangerous circumstances in which we ask our soldiers to serve. But the conclusions of this report are absolutely clear. There is no doubt, there is nothing equivocal, there are no ambiguities. What happened on Bloody Sunday was both unjustified and unjustifiable. It was wrong. Following the publication of the report, a murder investigation was begun by the Police Service of Northern Ireland's Legacy Investigation Branch. On 10 November 2015, a 66-year-old former member of the Parachute Regiment was arrested for questioning over the deaths of William Nash, Michael McDaid and John Young.