MOSCOW - Ukraine's president put his country's forces on combat alert on August 11 as Russian President Vladimir Putin discussed stepped-up security measures in the annexed territory of Crimea, escalating a crisis around the Black Sea peninsula.
Wall Street Journal: Dispute between Russia and Ukraine over Crimea accusations escalates
Russian Marines demonstrate their skills during the celebration of a Russia's Navy Day in the Crimean city of Sevastopol on July 31, 2016.
