Russian-led hybrid military forces mounted six attacks on Ukrainian positions in Donbas, eastern Ukraine, on December 29, the first day of a recently agreed "New Year truce."

The enemy did not use proscribed weapons, the Joint Forces Operation (JFO) press center said in a morning update on Facebook on December 30.

"The positions of the [Ukrainian] troops came under fire from grenade launchers of various systems, large-caliber machine guns and small arms near the village of Zalizne close to the town of Horlivka, near the villages of Novomykhaklivka and Opytne in the Donetsk sector, and near the villages of Hnutove and Vodiane in the Mariupol sector," the update said.

Read also"New Year truce": Ukraine reports two enemy attacks in Donbas on Dec 29

Ukrainian Joint Forces units had to fire back, using allowed weapons.

There were no Ukrainian army casualties over the period under review, it said.

According to intelligence reports, three enemy fighters were eliminated and another three were wounded on December 29.

From 00:00 to 07:00 on Sunday, December 30, the enemy did not open fire.

As UNIAN reported earlier, Ukraine's envoy to the Trilateral Contact Group (TCG) at the Minsk talks on Donbas Yevgenij Marchuk said the parties to the armed conflict in the east of Ukraine had agreed on an indefinite truce starting at 00:01 on December 29, 2018.