Russia says Ukraine fired US-made tactical missiles at military facility in Bryansk border region  ABC NewsMoscow says first Ukrainian attack on Russia with US-made missiles signals west wants to escalate conflict – Russia-Ukraine war live  The Guardian‘Fuel to the fire’: Moscow warns the US over allowing Ukraine to strike deeper into Russia  Sydney Morning Herald‘World War 3’: Biden move stuns  news.com.auWhy did the US change its mind on Ukraine firing missiles into Russia? And will it impact the war?  The Conversation