The drone disappeared after its signal had reportedly been jammed / Photo from UNIAN

The OSCE Special Monitoring Mission to Ukraine on October 27 lost its long-range unmanned aerial vehicle (UAV), which was monitoring the movement of a convoy of trucks in the Russian-occupied area in the east of Ukraine.

"At 01:18 on October 27, while flying over an area near Kalynove (non-government-controlled, 72km east of Donetsk), an SMM long-range unmanned aerial vehicle (UAV) spotted a surface-to-air missile system (9K33 Osa) and a fuel truck east of Nyzhnokrynske (non-government-controlled, 66km east of Donetsk). The UAV was immediately re-directed north towards Saurivka (non-government-controlled, 72km east of Donetsk). At 01:36, the UAV spotted a convoy of seven trucks on a dirt road near the border with the Russian Federation where there are no border crossing facilities, driving in a south-westerly direction towards Manych (non-government-controlled, 76km east of Donetsk). The UAV was then re-directed south towards Nyzhnokrynske in order to continue observing the convoy. At 01:53 the SMM lost all communications with the UAV while it was flying at an altitude of about 7.000ft over an area south-east of Nyzhnokrynske," the OSCE SMM said in its spot report for October 27.

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"For about 35 minutes before communications were lost, the UAV had experienced signal interference, assessed as jamming, at intervals in areas near Saurivka and Nyzhnokrynske. The UAV did not return to its ground control station near Stepanivka (government-controlled, 54km north of Donetsk) and is considered lost," it said.

As UNIAN reported earlier, OSCE SMM monitors spotted a convoy of trucks with Russian license plates near the town of Makiyivka in Russian-occupied Donbas, eastern Ukraine.