Former Ukrainian Prime Minister Yulia Tymoshenko speaks during her interview for The Associated Press in Kiev, Ukraine, Monday, Feb. 4, 2019. Tymoshenko, who is running for president in next month's election, has accused President Petro Poroshenko of corruption. (AP Photo/Efrem Lukatsky)

Former Ukrainian Prime Minister Yulia Tymoshenko, who is running for president in next month's election, speaks to participants of the European Business Association forum in Kiev, Ukraine, Monday, Feb. 4, 2019. (AP Photo/Efrem Lukatsky)