Russia battered Ukraine overnight with its largest drone attack since the war began, Ukraine’s military said Sunday, ahead of an expected phone call between US President Donald Trump and Russian President Vladimir Putin on ending hostilities.

Trump has shifted U.S. rhetoric from supporting Ukraine toward accepting some of Moscow's narrative about the war. Kyiv and its European allies are working hard to persuade him that it is now Moscow that is holding up a truce.

Ukraine says Russia has launched its biggest drone attack since the full-scale invasion began, targeting several regions including Kyiv, where one woman died.Russia had launched 273 drones by 08:00 Sunday (05:00 GMT) targeting the central Kyiv region and Dnipropetrovsk and Donetsk regions in the east,