Ukrainian President Petro Poroshenko has oredered all military units on borders with Crimea and the eastern Ukrainian region of Donbass to be at the highest level of combat readiness. Poroshenko announced the decision after a military meeting on August 11.
On August 10, the Russian Federal Security Service announced that it thwarted terrorist acts in the Republic of Crimea that were being prepared by the Main Intelligence Directorate of the Ministry of Defense of Ukraine.