A Russian drone downed in May / Photo from SBU press service

In the early hours on Monday, "the air defense troops spotted a large drone flying over the sea near the city of Mariupol. After being shot down, the drone caught fire and fell into the water. A recovery operation is under way," the ATO press center wrote with reference to local news portal 0629.

At 02:00 Kyiv time on Monday morning, the Ukrainian military spotted one more drone, which was flying in Luhansk region.