“Ukraine announced Friday that it has regained full control of its border with Russia, which the government has set as an important precondition for a unilateral ceasefire in its conflict with pro-Russian separatists in the east. The sealing off of the border, which could not be independently verified, would be significant because it would rob the rebels of an important supply route for new fighters and weapons.”
Source: Ukraine claims full control of its border with Russia – The Washington Post