A spot report by OSCE Special Monitoring Mission to Ukraine (SMM) says the SMM lost its long-range unmanned aerial vehicle near Berdianka in eastern Ukraine.

"Between 13:27 and 13:38 Kyiv time on Feb 18, an SMM long-range unmanned aerial vehicle (UAV) experienced dual GPS jamming while flying at an altitude of approximately 6,000ft in an area near Donetskyi (non-government-controlled, 49km west of Luhansk), in proximity of the contact line," the report reads.

"At 13:38 hrs, about 600m south-east of Berdianka (non-government-controlled, 45km west of Luhansk), the UAV began spinning uncontrollably and losing altitude," the monitors said.

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The SMM assessed that the UAV had crashed in the area.

The Mission flew a mini-UAV near Berdianka, but could not locate the long-range UAV.

As UNIAN reported earlier, on January 20, OSCE monitors heard Russian-supported militants threatening to shoot down the SMM's UAVs.