Vladimir Putin summoned his security council and the Russian Navy announced war games in the Black Sea a day after the Russian president accused Ukraine of trying to provoke a conflict over Crimea, which Moscow seized and annexed in 2014.
Using some of his most aggressive rhetoric against Kiev since the height of the war two years ago, Putin has pledged to take counter-measures against Ukraine, which he accused of sending saboteurs into Crimea to carry out terrorist acts.
Ukraine has called the accusations false and says they look like a pretext for Russia to escalate hostilities. Such an escalation could be used by Putin to demand better terms in the Ukraine peace process, or to inflame nationalist passions at home ahead of Russian parliamentary elections next month .... http://www.reuters.com