"We agreed that a full and unconditional ceasefire must begin on Monday, May 12, for at least 30 days. We jointly demand this from Russia, and we know we are supported in this by the United States," Zelensky said.
The announcement follows mounting fears that the two nuclear-armed countries were on the brink of engaging in another full-scale war.
Ukrainian media outlet ZN.UA reported on May 10 that their law enforcement sources confirmed an ongoing probe by the National Anti-Corruption Bureau into suspected embezzlement, money laundering and bribery.
Iran is preparing to send Russia Fath-360 short-range ballistic missile launchers, Reuters reported on May 9, citing Western security and regional officials familiar with the matter.
"Ukraine and all allies are ready for a complete unconditional ceasefire on land, in the air, and at sea for at least 30 days, starting as early as Monday," Ukraine's Foreign Minister Andrii Sybiha wrote.
U.S. President Donald Trump has acknowledged in private that Russia is difficult to negotiate with because they "want the whole thing," referring to Ukraine, the WSJ reported, citing sources familiar with the comments.
The visit marks Merz’s first trip to Ukraine, and the first time all four leaders have travelled there together.
A notice about the airspace closure was published on the U.S. Defense Department's NOTAM (Notice to Airmen) website on May 10, as cited by Ukrainian defense news outlet Militarnyi.
"As in the past, it is now for Russia to show its willingness to achieve peace," the EU's statement reads.
Kremlin spokesperson Dmitry Peskov rejected the idea of a 30-day ceasefire between Russia and Ukraine, claiming in an interview with ABC News on May 10 that it would be "an advantage" for Ukraine.
"Our involvement in the war was justifiable, and this belongs to our sovereign rights," North Korean dictator Kim Jong Un said. "I regard this as part of the sacred mission we must execute for our brothers and comrades-in-arms."
The number includes 1,310 casualties that Russian forces suffered over the past day.
Media: Rosatom's top manager arrested over suspicion of bribery
The Basmanny court in Moscow arrested on March 28 Gennadiy Sakharov, Russian state nuclear energy company Rosatom's construction project director, due to the accusations of receiving a bribe in "a particularly large amount," Russian state-controlled media outlet Kommersant reported.
Sakharov had been working at Rosatom since 2010, holding the post of capital investment director until January.
The manager was detained by the Federal Security Service (FSB) on March 27 in Moscow, as he allegedly solicited a bribe from the head of one of the leading Rosatom's contractors.
Elgudzhi Kokosadze, who is suspected of giving a bribe to Sakharov, was also arrested. Kokosadze manages the Russian nuclear sector private company Orgenergostroy, which is reportedly one of Rosatom's long-time contractors and its subsidiaries.
Both Sakharov and Kokosadze could face 15 years of imprisonment due to the current accusations.
Martin Fornusek
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