Four people were killed and eight injured in Russian drone strikes on the Kyiv area, including the building of the National Academy of Sciences of Ukraine, a pharmaceutical company and gas stations in the capital.
Pictures show fires and extensive damage in central Kyiv.
Three people were killed when a Russian drone struck an office complex in the eastern city of Dnipro. At least twelve people were injured.
Russian attacks have also hit the large city of Kharkiv, where more than 40 people were injured when an apartment building was hit, and Chernihiv.
The Russian Defence Ministry says the attacks targeted gas stations, a postal service and data centers.
