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.
"We have a plan B and a plan C. But our focus is plan A, the essence of which is to get everyone's support" for Ukraine's accession, EU foreign policy chief Kaja Kallas said.
"(T)he presence at the Victory Parade of a country that bombs cities, hospitals, and daycares, and which has caused the deaths and injuries of over a million people over three years, is a shame," Polish Prime Minister Donald Tusk said.
"According to the participants of the performances, their goal is to remind the civilized world of the barbaric actions of Moscow, which for many years and decades has systematically violated international law," a source in Ukraine’s military intelligence agency (HUR) told the Kyiv Independent.
"I have great hope that an agreement for a ceasefire in Ukraine will be reached this weekend," German Chancellor Friedrich Merz said on May 9, shortly before traveling to Kyiv alongside the leaders of France, Poland, and the U.K.
U.K. Prime Minister Keir Starmer, French President Emmanuel Macron, German Chancellor Friedrich Merz, and Polish Prime Minister Donald Tusk will arrive in Kyiv early on May 10.
The United States embassy in Kyiv on May 9 issued a warning that Russia could launch "a potentially significant" attack in the coming days, despite Putin's self-declared Victory Day "truce."
The sanctioned oil tankers have transported over $24 billion in cargo since 2024, according to Downing Street. The U.K. has now sanctioned more shadow fleet vessels than any other country.
Russian attacks across Ukraine kill 12, injure 35 over past day

Russian attacks on Ukraine killed 12 people and injured 35 over the past day, regional authorities reported early on April 19.
Russia targeted nine Ukrainian oblasts – Odesa, Mykolaiv, Luhansk, Zaporizhzhia, Kharkiv, Dnipropetrovsk, Sumy, Kherson, and Donetsk. Casualties were reported in the latter five regions.
Russian forces carried out a missile strike on the regional center of Dnipro in Dnipropetrovsk Oblast, killing at least two people and injuring at least 20 others, according to Ukraine's State Emergency Service.
The attack was conducted on the morning of April 19 and hit city center, Dnipro Mayor Boris Filatov reported. A five-story building was partially destroyed, as well as the infrastructure facilities of Ukrzaliznytsia, Ukraine's state-owned railway company.
Russia also attacked the region's Synelnykove district and the cities of Kryvyi Rih and Pavlohrad.
According to the initial report from authorities, at least five civilians, including two children, were killed, and the other six were injured in the Synelnykove district. In Kryvyi Rih, three people, aged 43, 53, and 58, were reportedly injured.
The number of casualties can increase in Dnipropetrovsk Oblast as the search and rescue operation is ongoing at 1 p.m. local time.
In Donetsk Oblast, four people were killed over the past day, according to local governor Vadym Filashkin. Two people were confirmed dead in the city of Krasnohorivka, one in the city of Selydove, and another one in the village of Ocheretyne. In total, Russian troops had attacked settlements in Donetsk Oblast 18 times overnight.

Three injured persons were also reported in Kherson Oblast. Over the past day, Russia attacked 16 settlements in the region, including the city of Kherson, according to local military administration. Russian forces struck five multistorey buildings, eight houses, an administrative facility, a health care center, and a heating and gas piping network.
Kharkiv Oblast Governor Oleh Syniehubov reported on April 19 that a 52-year-old man was wounded in the city of Vovchansk, while a 45-year-old man was injured in the village of Sorokivka. According to Syniehubov's report, Russia attacked over 20 settlements in Kharkiv Oblast over the past day.
Russian forces also fired 14 times at Sumy Oblast. Local military administration recorded 82 explosions and reported one injured in the Bilopillia community, which was shelled at night. In total, Russian forces struck five communities in this region.
In Odesa Oblast, Russian troops targeted critical infrastructure via drones and missiles, according to local governor Oleh Kiper. Kiper said that no casualties among civilians were recorded. The governor did not specify which settlement was under Russian attack.
Zaporizhzhia Oblast was also under attack on the night of April 19. Local military administration said that Russian forces struck the region 442 times, targeting eight settlements with missiles, air-guided bombs, artillery shells, and drones. No casualties among civilians were recorded.

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