Ukrainian government and rebel forces have exchanged dozens of prisoners, a week after a ceasefire came into effect in the east of the country.
Russia's War Against Ukraine
BBC: Prisoner swap boosts cease-fire (VIDEO)
Servicemen prepqre to fix on a truck an Ukrainian national flag (R) and a flag bearing the coat of arms of the Zaporozhye oblast (region), the flag of their military unit, on a truck as a column of Ukrainian forces left Debaltseve for Artemivsk.
