Russian and Ukrainian delegates gather for a fifth round of peace talks on Tuesday at the Dolmabahçe Palace in Istanbul, Turkey. Photo: VCG

Vladimir Medinsky (left), Russia’s presidential aide, and Davyd Arakhamia, a member of the Ukrainian delegation, meet on the sidelines of the Russian-Ukrainian peace talks at the Dolmabahçe Palace. Photo: VCG

Shelling in Mariupol, Ukraine, leaves a church’s facade in ruins on Sunday. Photo: Sergey Averin/VCG

The regional government headquarters of Mykolaiv, Ukraine, in the wake of missile strike that took out much of the building. Photo: VCG

The shattered remains of the building on Tuesday. Photo: VCG

An emergency response team springs into action outside the damaged government building. The attack killed at least 12 people and wounded 33, the National News Agency of Ukraine reported. Photo: IC Photo

Abandoned vehicles on Monday sit on a demolished bridge that once spanned the Irpin River. Ukraine said it had taken back control of the city, located on the outskirts of Kyiv, after weeks of battling Russian forces. Photo: Ziv Koren/VCG

A dog passes by a crater created by an explosion Sunday in Mariupol, Ukraine. Photo: Sergey Averin/VCG

A Ukrainian soldier stands guard Monday at a roadblock in Kyiv. Russia will reduce its military activities around the capital and the northern city of Chernihiv, Russian Deputy Defense Minister Alexander Fomin said Tuesday. Photo: Pavlo Bagmu/VCG

Ukrainian soldiers fire weapons Tuesday during a training exercise near Lviv. Photo: Nariman El-Mofty/VCG