The searches have been confirmed by Security Service of Ukraine (SBU) spokesperson Olena Hitlianska, Censor.NET reports.
"SBU in fact is conducting raids in subsidiary companies of Russian Yandex in Kyiv and Odesa. The investigation is conducted within the criminal proceedings launched under article 111 of the Criminal Code of Ukraine (high treason). The details are to follow, please check SBU website for updates," she wrote.
Earlier, the company published a statement of the raids in its Ukrainian offices.
"Lawyers have left for our offices. We are willing to provide any required information within the law," Yandex press office said in the statement.