Russia threatens to intervene in eastern Ukraine
The Kremlin has threatened military intervention in eastern Ukraine. In the event of a flare-up of fighting, Russia will not stand idly by and watch a possible "human catastrophe", Kremlin spokesman Dmitry Peskov said, according to the Interfax agency.
Russia will take measures to protect its citizens, he added. Peskov also said there was a concentration of Russian troops in the region because the country's security was at stake.