Ukraine reports more than 2,500 deaths in besieged city of Mariupol.

The joint U.K.-U.S. operation was conducted on Oct. 9, following recent airspace violations by Russia targeting several NATO countries.

"I informed President Trump about Russia's attacks on our energy system — and I appreciate his willingness to support us," Zelensky said.

Estonia has temporarily closed the Saatse border crossing following heightened Russian military activity near the area, the Estonian public broadcaster ERR reported on Oct. 10.

The parade, attended by Chinese Premier Li Keqiang and United Russia party leader Dmitry Medvedev, featured a display of advanced weaponry.

The affected trains included routes between Dnipro and Kyiv, Ternopil and Kyiv, and the international Kyiv–Warsaw route.

Security Service of Ukraine (SBU) drones struck a Russian oil refinery in Ufa on the morning of Oct. 11, resulting in explosions and a fire, a source in the agency told the Kyiv Independent.

"Over the past month, (Russia) has increased the number of air strikes 1.3 times," Oleksandr Syrskyi said.

The Belarusian military is implementing a "set of measures" to bring select units to their "highest level of combat readiness" under Alexander Lukashenko's direct orders.

Ukrainian air defenses intercepted 54 out of the 78 Shahed-type attack drones and other drones launched by Russia overnight, the Air Force reported. Twenty-one drone strikes were recorded at six locations.

Latvia has ordered 841 Russian citizens to leave the country by Oct. 13, citing their failure to meet legal requirements, including proof of Latvian language proficiency and passing a national security screening, Politico reported.

"We agree to develop further bold and innovative mechanisms to increase the cost of Russia's war and ramp up pressure," the British government said in a statement.

"The United States of America will impose a tariff of 100% on China, over and above any tariff that they are currently paying," Donald Trump said.

The number includes 1,060 casualties that Russian forces suffered over the past day.

Russia launched a large-scale drone and missile attack on Ukraine overnight on Oct. 10, killing a child and injuring at least 24 people in the country while leaving a part of Kyiv without electricity and water.

"We cannot use Patriot missiles against drones," Zelensky said. "What questions might I have for the mayor? I could tell you now what I think about all this, but I won't."