Tensions between presidents Trump and Zelenskyy had been simmering behind the scenes before they went very public this week.

Ukrainian President Volodymyr Zelenskyy appointed Andrii Hnatov as the new Chief of the General Staff of Ukraine’s Armed Forces, replacing Anatoliy Barhylevych.

EXCLUSIVE: Lord Ashcroft, who has visited the embattled country 11 times since Russia's full-scale invasion, explains why he ...