This was stated by President Poroshenko during the opening ofthe National Security and Defense Council (NSDC) meeting on Monday,UkrainskaPravda reports.
He stated thatonly after restoring full control of the border, Ukrainianauthorities will impose a limited time ceasefire.
"Over 250kilometers (of the border) have been brought back under control andcheckpoints were set up," Poroshenko said.
"I can stateregarding the pathways through which armed units, multiple launchrocket systems ("Grad"), artillery passed into the Ukrainianterritory which they recently crossed freely - two of the mostdangerous stretches of this road were closed today," headded.
According to thePresident, the government hopes to finally regain control of theborder as early as by the end of this week.
"This is the onlydeterrent for implementing the ceasefire. Once the border is undercontrol, we will introduce it," Poroshenko said.
The NSDC meetingbegan with a moment of silence for those killed inaction.