Erdogan said that Turkey "shares the pain of downed Su 24-pilot's death with his family" and "sees it as Turkey's pain", according to Peskov.

Turkey is ready to take all steps required to "relieve the pain and severity of damage" to the deceased Su-24 pilot's family, Erdogan writes in his letter to the Russian President.   

"In the letter, the Turkish President also says he has always seen Russia as a strategic partner and a friend", Peskov said.

On November 24, 2015, a Turkish F-16 fighter plane shot down a Russian Su-24M bomber jet operating as part of Russia's anti-terrorist mission in northern Syria near the Turkish border.

Following the shootdown, Russian pilot Oleg Peshkov successfully ejected from his plane, but was shot and killed as his parachute descended to the ground by armed militia.

Later, Alparslan Celik, a member of the ultra-nationalist militant group Grey Wolves, suspected to be operating in the area, confirmed his involvement in the murder of the Russian pilot.

The trial of Alparslan Celik, a Turkish citizen accused of the criminal possession and carrying of weapons, has begun in the western Turkish city of Izmir. Celik had earlier been acquitted for the murder of Russian pilot Oleg Peshkov, whose Su-24 bomber jet was shot down over Syria in November 2015 by a Turkish warplane; Sputnik reported.

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