Petro Poroshenko

Kyiv security services on May 29 said they were conducting searches in the Ukrainian offices of the popular Russian internet company Yandex as part of a treason probe.

"The Security Service of Ukraine (SBU) is conducting searches in the offices of the subsidiary of the Russian company Yandex in Kiev and Odessa", SBU spokeswoman Olena Gitlyanska wrote on her Facebook page.

Portugal won the Eurovision Song Contest for the first time ever with a melancholy ballad performed by a singer who suffers from a serious heart condition.

The fado-tinged song "Amar Pelos Dois" was performed by 27-year-old Salvador Sobral, who is awaiting a heart transplant. 

The European Union approved visa-free travel for Ukrainians on Thursday, fulfilling a key promise to cement ties with Kiev as it remains embroiled in a deadly conflict with pro-Russian insurgents, AFP reported.

"YES, we did it!" Ukrainian President Petro Poroshenko wrote on Facebook after the Brussels decision, which the former Soviet republic has been trying to clinch for years.

The former deputy in the Russian Duma Denis Voronenkov has been killed in front of a hotel in Kiev, confirmed Ukrainian authorities.

President Petro Poroshenko described the murder as "an act of terrorism on the part of Russia". "The clear signature of the Russian special services has appeared several times across different European capitals."

On a visit to Ukraine Thursday, Prime Minister Alexis Tsipras called for all sides to implement the Minsk Protocol and insisted that Greece has no intention of breaking ranks within the European Union over sanctions against Russia.

Greek Prime Minister Alexis Tsipras met with Ukrainian President Petro Poroshenko in Kiev, Thursday.
The leaders discussed the latest developments in Ukraine and efforts to reach a peaceful solution, after hostilities have intensified between the two sides in the eastern part of Ukraine.

Fighting subsided around a flashpoint Ukrainian town on Feb. 5 following a week-long surge in violence that prompted U.S. President Donald Trump to pledge to help bring peace to Europe's backyard.

The Ukrainian military said in the morning that no soldiers had been killed in the past 24 hours for the first time since fighting over the blue-collar town of Avdiivka soared last week.

Ukrainian President Petro Poroshenko intends to call a referendum on whether his country should join the NATO.

He plans to do this "given polls that show 54 percent of Ukrainians now favor such a move," Reuters reported, quoting Germany's Funke Mediengruppe.

Ukrainian President Petro Poroshenko has told a German newspaper he considers calling a referendum on whether his country should join NATO.

In an interview with German daily Berliner Morgenpost, he has said the will of Ukrainians must be taken into account, citing an increase in support among Ukrainians for joining the alliance.

Ukrainian President Petro Poroshenko called for a worldwide effort to counter the threat of Russian cyber warfare and urged the United States to "be great again" by demonstrating leadership on issues such as global security.