Mariana Betsa

Ukrainian filmmaker Oleg Sentsov on Tuesday entered day 100 of his hunger strike, as he languishes in a Russian Arctic prison on terror charges with little hope of release.

The 42-year-old Kremlin opponent announced the hunger strike in May, demanding the release of all Ukrainian political prisoners being held in Russia.

KIEV - The Ukrainian Foreign Ministry on Friday condemned a visit to Crimea by a group of Serbian MPs, summoning Serbia's ambassador to Kiev.

The Ministry of Foreign Affairs of Ukraine condemns in the strongest terms a visit by a group of Serbian MPs to occupied Crimea, the ministry's spokesperson Mariana Betsa told a press briefing in Kiev, Sputnik reported.

The Ministry of Foreign Affairs of Ukraine has condemned the visit of a group of Serbian Assembly members ("people's deputies") to Crimea.

Kiev also summoned the Serbian ambassador to Ukraine and asked him to provide "explanations regarding the matter."

Ukraine authorities have vowed to investigate the vandalization of a monument to Bulgarian volunteer fighters in the Russo-Turkish war of 1877-1888 in the city of Bolhrad in Ukraine's Odessa region.