Ukraine and Russia have accused each other of violating a 30-hour truce, but it comes as diplomatic efforts pick up, Russia Editor Steve Rosenberg writes.

Ukraine’s leader has proposed extending the truce beyond the 30-hour period offered by Russia

The attack on the northern city of Sumy comes two days after U.S. envoy Steve Witkoff met with Russian President Vladimir Putin in an effort to negotiate a cease-fire.

The vice president has defended the US commander-in-chief’s plan to bring the “extremely vulnerable” Arctic island under American “protection”

Terms of proposed ceasefire remain unclear as Moscow launches airstrikes and Kyiv hits Russian airbase

The US president has revealed that conversation revolved around his talks with Russian counterpart, Vladimir Putin

The White House and The Kremlin have confirmed the two leaders will talk – but it remains to be seen if Moscow will agree to a ceasefire.

Russian president's response to ceasefire proposal may sound like a 'yes' but is closer to 'no'

The Russian president wants assurances that Kiev will halt military mobilization, soldier training, and arms deliveries

Talks mark another pivotal step by the Trump administration to reverse U.S. policy on isolating Russia

Moscow and Washington will reportedly hold talks in Saudi Arabia next week to set the stage for a potential Trump-Putin summit