The illegal armed groups continue their attacks on civilian infrastructure along the demarcation line, employing weaponry proscribed by the Minsk deal.

At about 22:30 on June 7, several shells exploded outside School No. 1 in Krasnohorivka.

Read alsoEscalation in Donbas: Ukraine reports 2 KIA's, 11 WIA's on June 7There were no students or staff in or near the school at the time of the blasts.

Information is being clarified on the damage inflicted.

"Acting this way, the militants once again prove they are brazenly and cynically neglecting the Minsk agreements," the JCCC said.