The fighting centered in the town of Marinka near Donetsk and left at least 21 dead and over 120 injured.
“At the request of the Lithuanian mission, a Security Council meeting on Ukraine will be held on Friday. Representatives of OSCE’s Special Monitoring Mission and UN Under-Secretary-General for Political Affairs Jeffrey Feltman will hold briefings,” the spokesperson told RIA Novosti.
Earlier on Thursday, the Special Monitoring Mission (SMM) of the OSCE said in a report that it had observed the movement of heavy weapons in southeastern Ukraine.
On Wednesday, the Ukrainian General Staff admitted using heavy artillery prohibited by the Minsk agreements.