The US Department of Defence says this video shows a Russian jet ‘harassing’ their drones. br br The jet is alleged to have used it afterburner and parachute flares to deliberately disrupt the safe operation of the US drones. br br The drones were apparently on an operation against Islamic State in Syria. There are around 900 US personnel in Syria supporting Kurdish-led forces in their effort to prevent a resurgence of the terrorist group. br br The incident comes at a time of heightened tensions between the two countries over the war in Ukraine. br Report by Gracex.