Overnight into Friday 36 more Ukrainian servicemen were released from captivity in eastern Ukraine, Ukrainian President Petro Poroshenko said.

"As a result of talks 21 [people] were released yesterday and 36 servicemen just now. Truce gives us tome to free our guys, to enhance the army, to build a strong defense line and to protect cities and villages," Poroshenko wrote on Facebook.

Militants of the self-proclaimed Donetsk People's Republic (DPR) confirmed the exchange held.