It is believed Russian forces shot down their own jet worth $20 million when missiles were launched at Ukrainian positions in the Donetsk region of the country on Saturday

A shocking video is circulating online that appears to show Russian forces accidentally shooting down their own aircraft, in an apparent friendly fire mishap - with initial reports suggesting it was an SU-25 jet costing $20 million.

Ukrainian expert Anton Gerashchenko said of the incident: "There is unconfirmed information that it could have been friendly fire by the Russians themselves.

There have been unconfirmed reports that a Russian aircraft or drone has been shot down over Ukraine's Donetsk region on Saturday, possibly in a friendly fire incident. According to the Ukrainska Pravda newspaper the Russian aircraft had been launching guided aerial bombs at Ukrainian positions and was shot down its own troops on the ground.