professor sir lawrence freedman, thank you very i choice. very much for your thoughts this morning, a writer is professor of war studies at king's college london. and we will return soon to the first anniversary of the war in ukraine, but now let's look at some of the other main stories today. a fourth man has been arrested after an off—duty police officer was shot in northern ireland. detective chief inspectorjohn caldwell had been coaching a children's football session in 0magh when he was targeted by two gunmen on wednesday night in front of his own son. he remains in a critical but stable condition in hospital and all four of the arrested men are in police custody. 0ur ireland correspondent chris page is in belfast for us this morning. chris, what more can you tell us about this latest arrest, first of all? , �* ., ., about this latest arrest, first of all? , ~ ., ., ., ., all? yes, annita, the fourth man to be arrested — all? yes, annita, the fourth man to be arrested in _ all? yes, annita, the fourth man to be arrested in this _ all? y