Fighting against Russian forces was continuing across Ukraine on Saturday but the capital and other strategically important cities remain under the control of the Ukrainian army, President Volodymry Zelensky said. The Kremlin was pressing ahead for a third day on a mission to capture the centre of Kiev and “install their puppets here,” he said in an afternoon video update. But fears of urban warfare in the capital have not yet come to pass even though the city was rocked by the sounds of gunfire and explosions over night. Zelensky had earlier warned Ukrainians that Russian troops would likely …