2014 pro-Russian unrest in Ukraine Kiev and Mariupol, were struck by bombings that targeted pro-Ukrainian unity organizations. To maintain control over southeastern territories Ukraine's government started "antiterrorist operation" (ATO) sending armed forces to suppress separatists. Armed conflict between Ukraine's government forces and pro-Russian rebels is known as War in Donbass. Ukraine became gripped by unrest when President Viktor Yanukovych refused to sign an association agreement with the European Union on 21 November 2013. An organized political movement known as 'Euromaidan' demanded closer ties with the European Union, and the ousting of Yanukovych. This movement was ultimately successful, culminating in the February 2014 revolution, which removed
Viktor Yanukovych is my rule of politics." In spite of his claim, on 22 September 2007, during 2007 Ukrainian Parliamentary Election campaign, while delivering a speech in Vinnytsia, he compared Yulia Tymoshenko's performance as Prime Minister to "a cow on the ice" (" Вона прем'єр-міністр, як корова на льду...", "She is as prime minister as a cow on the ice") most likely referring to her skills and professionalism as a prime minister. Other cases of strong colloquialisms used by Viktor Yanukovych include the incident when he called former president Viktor Yushchenko "a coward and a babbler", as well as the speech in