A large-scale Russian drone and missile assault on Kyiv overnight killed at least six people, injured more than 50 and caused damage across the capital.

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.

Russian missile and drone attacks overnight on Ukraine’s capital city killed at least 13 people, including a 6-year-old boy, and wounded 132 others, authorities said Thursday. A 5-month-old girl was among 14 children wounded,