"We are still finding out the information on what exploded - a Molot or a mine - and how many people were injured," a ministry spokesperson said.
The press service promised to provide more detailed information after all the circumstances are clarified.
Some media outlets and volunteers reported earlier that two or three servicemen were wounded in a Molot mortar explosion in the 72nd mechanized brigade.
On July 6, 2018, three soldiers were killed and nine more were injured in a Molot mortar explosion at the Rivne firing ground.
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