The death toll from Russia’s heavy bombardment of Ukraine’s capital this week has risen to 31 people, marking the deadliest single attack on Kyiv in a year, Ukrainian officials said on Friday.

KYIV, Ukraine (AP) — The Ukrainian capital Kyiv observed an official day of mourning Friday, a day after a Russian drone and missile attack on the city killed 31 people, including five children, and injured more than 150, officials said.

The residential building in the Sviatoshynskyi district was a “direct hit,” Tymur Tkachenko said in a message on Telegram.