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 youngest victim in Thursday’s strikes was 2 years old, and 16 of the injured were children, Ukrainian President Volodymyr Zelenskyy said.

Russia attacked Ukraine’s capital with missiles and drones overnight, killing at least eight people, including a 6-year-old boy, and wounding 82 others, Ukrainian authorities said Thursday.