Photo from the Ministry of Defense of Ukraine

Russia's hybrid military forces mounted 37 attacks on Ukrainian army positions in Donbas in the past 24 hours, with four Ukrainian soldiers reported as wounded in action (WIA).

Read alsoPutin promises "drastic consequences for Ukraine's statehood" if it tries to liberate Donbas

"In the Luhansk sector, hostilities were most active near the villages of Krymske and Novotoshkivske, where the enemy used mortars and tank shells four times during the day," the press center of Ukraine's Joint Forces Operation (JFO) said in an update on Facebook as of 07:00 Kyiv time on June 8, 2018.

In the Horlivka sector, fighting continued near the village of Zaitseve, as well as near the village of Kamianka, which is in the Donetsk sector. The situation also escalated in the Mariupol sector, namely near the villages of Vodiane and Lebedynske, where the occupiers launched at least 85 mines and shells in the last day.

According to intelligence reports, the enemy also suffered losses: one invader was killed and two others were wounded. The situation in the area of the Joint Forces Operation is controlled.