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Turkish fighter jets shot down a Russian Sukhoi SU-24 fighter near the Syrian border on Tuesday after repeated warnings over airspace violations. 

Moscow said it could prove the jet had not left Syrian air space.

 Footage from private Turkish broadcaster Haberturk TV showed the warplane going down in flames in a woodland area.

 Separate footage from Turkey's Anadolu Agency showed two pilots parachuting out of the jet before it crashed.

 A Syrian rebel group sent a video to Reuters that appeared to show one of the pilots immobile and badly wounded on the ground and an official from the group said he was dead.

 This is the first time a NATO member's armed forces have downed a Russian military aircraft since the 1950s. The Guardian is following the developments with live updates.

 Also covered by the BBC, which notes Russian aircraft have flown hundreds of sorties over northern Syria since September. 

Moscow says they have targeted only "terrorists", but activists say its strikes have mainly hit Western-backed rebel groups. 

 Turkey, a vehement opponent of Syria's president, has warned against violations of its airspace by Russian and Syrian aircraft.

 Last month, Ankara said Turkish F-16s had intercepted a Russian jet that crossed its border and two Turkish jets had been harassed by an unidentified Mig-29.