Turkish media is reporting that an SU-24 fighter-bomber has been shot down near Latakia on the Turkish border after it entered Turkish airspace.
The Turkish military have reportedly shot down a Russian military aircraft on the border with Syria.
Russia’s defence ministry said an Su-24 had crashed on Syrian territory after being hit by fire from the ground, and that its pilots had managed to eject.
But Turkish military officials said Turkish F-16s had shot down the plane after repeatedly warning its pilots they were violating Turkish airspace.
Video footage showed the plane crashing into mountains in Latakia province.
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Russia launched an air campaign to bolster Syrian President Bashar al-Assad’s government in late September.
The Russian defence ministry confirmed on Tuesday morning that a Russian Su-24 had “crashed on Syrian territory, having been hit from the ground” while it was flying at an altitude of 6,000m (19,685ft).
“Efforts are being made to ascertain what happened to the pilots. According to preliminary reports, the pilots have managed to self-eject,” the ministry was quoted as saying by the Interfax news agency.