The attack came as Ukraine marked 31 years since independence from Moscow-dominated Soviet rule. Ukrainian President Volodymyr Zelensky had warned of the risk of “despicable Russian provocations” on Independence Day. In a video address to the United Nations Security Council, Mr. Zelensky said the missiles hit a train in the small town of Chaplyne, 145 kilometers (90 miles) west of Russian-held Donetsk in eastern Ukraine. Four wagons were burned, he said. “Chaplin is our pain today. As of this moment there are 22 dead,” he said in a speech later in the evening, adding that Ukraine would make Russia take responsibility for everything it had done. “We will without a doubt expel the invaders from our land. No trace of this evil will remain in our free Ukraine,” he said. Zelensky’s aide Kyrylo Tymoshenko later said Russian forces had bombed Chaplyne twice. A boy was killed in the first attack when his house was hit by a rocket, and 21 people died later when rockets hit the train station and set fire to five passenger train cars.