Ukrainians marked Orthodox Easter in the capital, Kyiv, on Sunday with prayers for those fighting on the front lines in the Donbas region and others trapped in cities such as Mariupol.

But President Volodymyr Zelenskyy urged Ukrainians not to let anger at the war overwhelm them.

“All of us believe our sunrise will come soon,” he said.

The deputy commander of the nationalist Azov Regiment, which has been battling separatists in the Donbas since 2014, recorded a video address chastising the Russian military for failing to observe the holy day. 

“The enemy continues to drop air bombs, ship artillery fires, guns are fired,” Captain Sviatoslav Palamar said.

Speaking in St. Peter’s Square, Pope Francis lamented the “barbarity” of the war.

“It is sad that these days, which are the holiest and most solemn for all Christians, we hear the deadly noise of weapons rather than the sound of bells announcing the Resurrection,” the pope said. “It is sad that arms are taking the place of words.”

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Latest developments:

►Top officials from the Biden administration are set to meet with Ukrainian President Volodymyr Zelenskyy on Sunday in the highest-ranking visit to Ukraine by a U.S. delegation since Russia began its invasion.

►The Organization for Security and Co-operation in Europe said it is “extremely concerned” that several mission members are being held in eastern Ukraine. The Vienna-based agency said it is using “all available channels to facilitate their release” but did not specify the number of people being held or who was holding them.

►Russian missile and artillery troops hit 423 targets in Ukraine overnight as part of the special military operation, Russian Defense Ministry Spokesman Major-General Igor Konashenkov said Sunday. He said 26 Ukrainian command posts, 367 “places of the amassment of manpower and military equipment” and 25 gun lines were hit.

Zelenskyy adviser calls Mariupol ‘almost wiped out’

Igor Zhovkva, top adviser to Ukrainian President Volodymyr Zelenskyy, said Sunday that the southern city of Mariupol is “almost wiped out.” Zhovkva told NBC News’ “Meet the Press” that the weapons delivered so far to Ukraine have been what the country needs to fight Russia, but it now also needs weapons to defend its skies. Noting NATO has not imposed a “no-fly” zone over the country, Zhovkva said, “we also need anti-missile systems and anti-aircraft systems because daily and nightly Ukraine cities are bombarded by the cruise missiles.”