Russian strikes on Kyiv overnight have killed at least six people, including a six-year-old boy, local officials say, with drones and missiles hitting at least 27 sites and putting 30 people in hospital, including nine children. A nine-storey block of flats partly collapsed after it was struck. Explosions rang out for hours, making it another sleepless night for many in the Ukrainian capital

• Russian strikes on Kyiv kill at least six people, Ukrainian officials say

• Russia–Ukraine war – latest updates