Ukrainians and Russians were fighting in nine places along the front line in the Kharkiv area on Saturday morning, the Ukrainian general staff said, adding that they had successfully repelled Russia’s offensive. The latest battles come after the general staff reported that the enemy was deploying “ground troops and technology.” The Ukrainian military has reported Russian advances on two broad sections of the front since Friday, in a widely expected summer offensive, evident in the Kremlin’s build-up of many tens of thousands of soldiers near the border. Russian President Vladimir Putin also th…