News reports say Yanukovich's book has passages that are sometimes identical to speeches by other politicians, magazine articles, and even a college paper.
Yulia Tymoshenko, the Ukrainian opposition leader, was sentenced to seven years in prison for 'criminal abuse' during her term as prime minister, though critics say the trial was politically motivated.
Russia's Nord Stream pipeline bypasses Ukraine, which transports about 80 percent of Russian gas exports to Europe, and could give Moscow greater political leverage in dealing with Kiev.
Unkrainian President Viktor Yanukovych appears to have miscalculated the political consequences of bringing a corruption case against his rival, former Prime Minister Yulia Tymoshenko.
A widow holds a portrait of her husband during a ceremony to honor the victims of the Chernobyl accident, held in Kiev, Ukraine, on April 26. Ukraine marked the 25th anniversary of the world's worst nuclear accident at its Chernobyl power plant as Japan pressed on with efforts to control the crisis at its Fukushima plant.
Russia is dangling billion-dollar benefits if Ukraine joins a Moscow trade alliance, a move that would scuttle Kiev's chance at an EU free-trade deal.
Pro-democracy warriors in Middle Eastern countries such as Libya, Egypt, and Tunisia push through barriers of fear only to find a constellation of needs, demands, and problems on the other side.
Analyzing a selection of political revolutions - successful and not - around the globe since World War II