ພາບຫຼ້າສຸດ ຈາກ ຢູເຄຣນ

A group of Russian servicemen who were detained by Ukrainian authorities attend a news conference, in Kyiv, Aug. 27, 2014.

Polish Prime Minister Donald Tusk speaks before the Parliament, saying that recent NATO and Polish intelligence information shows that regular Russian army units are operating in eastern Ukraine, Warsaw, Poland, Aug. 27, 2014.

President Vladimir Putin addresses the media in Minsk, Belarus, Aug. 27, 2014.

President Vladimir Putin speaks to the media after his talks with Ukraine President Petro Poroshenko in Minsk, Belarus, Aug. 27, 2014.

President Vladimir Putin arrives to speak to the media after his talks with Ukraine President Petro Poroshenko in Minsk, Belarus, Aug. 27, 2014.

Smoke rises from a shell attack in the town of Novoazovsk, eastern Ukraine, Aug. 27, 2014.

Ukrainian soldiers ride atop an APC near the village of Sakhanka, in eastern Ukraine, Aug. 27, 2014.

Ukraine President Petro Poroshenko (center) leaves the hall after meeting with President Vladimir Putin in Minsk, Belarus, Aug. 26, 2014.

President Vladimir Putin (left) shakes hands with his Ukrainian counterpart Petro Poroshenko, as Kazakh President Nursultan Nazarbayev stands nearby, in Minsk, Aug. 26, 2014.

A pro-Russian rebel walks in a passage at the local market damaged by shelling in the Petrovskiy district, town of Donetsk, eastern Ukraine, Aug. 26, 2014.