A rare Sukhoi S-70 Okhotnik—the Russian air force’s first stealthy armed drone— got shot down apparently by an accompanying Russian fighter after the drone seemingly malfunctioned near the Ukrainian-held fortress town of Chasiv Yar in eastern Ukraine on Saturday.

A Russian jet has shot down the prototype of Moscow’s new combat drone, the Hunter S-70, possibly in a ‘friendly fire’ incident but more likely deliberately.

The Russian army has lost one of its unique drones. It concerns the new generation S-70 Okhotnik drone, which is likely being regularly tested in combat conditions over Ukrainian territory. According to the Defence-Ua portal,