Ukraine’s Yulia Tymoshenko.

Supporters of former Ukrainian Prime Minister Yulia Tymoshenko take part in a rally in a tent camp in central Kyiv, Ukraine, May 30, 2012.

Lithuania's President Dalia Grybauskaite visits imprisoned former Ukrainian Prime Minister Yulia Tymoshenko in a hospital in the eastern Ukrainian city of Kharkiv, May 11, 2012.

Supporters of former Ukrainian Prime Minister Yulia Tymoshenko take part in a rally in Kyiv, Ukraine, April 27, 2012.

Riot police block supporters of former Ukrainian Prime Minister Yulia Tymoshenko outside the Pecherskiy District Court in Kyiv, Ukraine, August 5, 2011.

This image provided by the U.S. Naval Research Lab shows Cyclone Phailin on Oct. 11, 2013.

Ukraine's then Prime Minister and the Presidential candidate Yulia Tymoshenko speaks during her news conference in Kyiv, Ukraine, February 4, 2010.

A worker pastes up a huge poster of Ukraine's then Prime Minister and Presidential candidate Yulia Tymoshenko, during a campaign in Kyiv, Ukraine, January 14, 2010.