"Iryna Gerashchenko has just reported that another three Ukrainian heroes were released from the militant captivity. Slava Ukraini! [Glory to Ukraine]," Poroshenko tweeted.
"Chairman of the SBU Security Service of Ukraine Vasyl Hrytsak said names of our heroes released from the militant captivity. These are sergeant Harnaha, junior sergeant Dmytruk, and a soldier Makukha," he added.
Later, Hrytsak reported to the president that another Ukrainian hostage had been released from the militant captivity.
"I've been informed that another Ukrainian hero Vadym Kyrpychenko was released from the captivity," he said.