A Russian ballistic missile strike on the northeastern Ukrainian city of Sumy killed at least 20 people on Sunday morning, the city's acting mayor said.

A Russian missile strike on Sunday in the city centre of Ukraine’s city of Sumy killed at least 34 people, Kyiv said, with European and US officials condemning the attack — one of the deadliest in months.

Two Russian missiles struck the heart of a northeastern Ukrainian city on Palm Sunday, killing at least 34 people, authorities said. The Russian ballistic missile strikes hit the center of Sumy “on Palm Sunday,