At least four killed in Russian strikes overnight on Ukraine

Attacks come after Volodymyr Zelenskyy appeals to US for long-range missiles and urges allies to expand sanctions on Russian oil

Russian missile and drone attacks on Ukraine overnight into Saturday killed at least four people and wounded 20, officials said, and prompted fresh pleas from Ukraine's president for western air defence systems.

In the capital, Kyiv, two people were killed and 13 were wounded in a ballistic missile attack in the early hours of Saturday, Kyiv's police said.