There were 35 artillery attacks on Ukraine army positions on June 30, the army says.
Several houses in the towns close to the touchline were hit by the enemy artillery.
In the Mariupol zone, pro-Russian rebels fired from grenade throwers, mortars and 122-mm heavy artillery.
In the Donetsk zone, the enemy launched several artillery attacks using 82-mm and 120-mm mortars, anti-tank missiles. Near Kamyanka, the enemy resorted to tank fire against Ukraine army positions.
In the course of June 30, one Ukrainian army serviceman was killed and three wounded.