A combined Russian missile and drone attack on Ukraine overnight killed at least 15 people — including an American citizen — and wounded scores of others, according to Ukrainian officials.

Ukrainian President Volodymyr Zelenskyy has reported that Russia attacked Ukraine with more than 440 drones and 32 missiles on the night of 16-17 June, with the capital suffering the largest-scale strike.

The attacks came as Ukrainian President Volodymyr Zelensky sought guarantees of further western military aid for his country’s efforts to repel Russia’s invasion. Russian forces have relentlessly blasted civilian areas of Ukraine throughout the war,