(Reuters) – Russia’s main goal of its military operation in Ukraine is to protect the Donetsk and Luhansk people’s republics, the Kremlin said on Monday, after the leader of one of the separatist regions asked for additional forces from Moscow. Denis Pushilin, the leader of the Russian-backed separatist Donetsk region of Ukraine, had said earlier on Monday that there has been increased fighting and shelling in the region. “All necessary forces, including the allied ones, including the forces of the Russian Federation, will be involved in order to counter the enemy,” Pushilin said. Kremlin spok…