Donald Trump says ‘one or two tough’ issues could lead to negotiations breaking down – key US politics stories from 28 December at a glance

President Donald Trump says Ukraine and Russia are “closer than ever before” to a peace deal, but he acknowledged negotiations could still break down and leave the war dragging on for years.

After a two-hour meeting in Florida with the Ukrainian president, Volodymyr Zelenskyy, Trump conceded “one or two tough” issues – over territory and how the war might end – still needed to be resolved, an indication of progress made but no breakthrough.

Earlier Trump had what he described as an “excellent” two-and-a-half-hour phone conversation with the Russian president, Vladimir Putin.

Donald Trump admitted “thorny” questions over the future of the eastern Donbas region have yet to be resolved, after meeting on Sunday with Zelenskyy.