A wave of Russian air strikes on cities across Ukraine, including Kyiv, has left at least 25 people dead. 23 people - including four children - were killed in an attack that hit a block of flats in the central city of Uman, officials said. And a woman and her three-year-old daughter were killed in the city of Dnipro, according to the local mayor. The Russian defence ministry said its military had targeted Ukrainian army reserve units with the strikes. State-owned RIA news agency said Russia was aiming for the reserve units and used high-precision weapons on Friday. In Uman,...