 as he seeks more military help, including much-needed air, firepower, to push back Russian troops. But will that help be forthcoming from the United States if Donald Trump wins the November presidential election? The fear in Europe is that he'll be less committed to the defence of Ukraine. The BBC's Chris Mason spoke to Mr Zelensky about the prospect of a Republican victory in November and asked him what he made of Donald Trump's suggestion that he could end the war,