Hours after President Trump called Russian President Vladimir Putin, urging him for an immediate and unconditional ceasefire, Russia launched its largest air assault on Ukraine since the war began over three years ago. We get the latest from Kyiv with Washington Post reporter Lizzie Johnson.

Ukraine is rushing to secure more air defenses after a record overnight assault. Russia used more than 500 drones, bombs, and missiles to hit targets throughout the country this weekend. We get the latest from NPR’s Joanna Kakissis. This article was originally published on WBUR.org.