It was the deadliest attack on the Ukrainian capital in almost a year, and came as Moscow has intensified air assaults on the city.

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.

By Dan Peleschuk KYIV (Reuters) -Flags across Kyiv were lowered to half-mast on Wednesday, as Ukrainians mourned more than two dozen people killed a day earlier in Russia's deadliest strike on the capital this year.