This was announced by the ATO speaker Andrii Lysenko, Censor.NET reports citing Ukrainski Novyny.
According to him, the soldiers suffered from a trip wire explosion in the cities of Svitlodarsk and Avdiivka, the Donetsk region.
Read more: No one killed, three soldiers wounded on Thursday - ATO HQ
Lysenko stressed that the volume of shelling of the ATO positions has increased.
On April 9, the terrorists have fired at the Ukrainians soldiers with mortars for 15 times, with artillery for three times, and with tanks for three times.
The most active shelling is conducted near the cities and villages of Avdiivka, Opytne, Pisky, and Vodiane, the Donetsk region.