Earliest reporting I could find on this is from Sputnik. So, take it with a grain of salt
BREAKING: Erdogan says Turkey may close Incirlik Air Base to American use — The Spectator Index (@spectatorindex) December 15, 2019
BREAKING: Erdogan says Turkey may close Incirlik Air Base to American use
— The Spectator Index (@spectatorindex) December 15, 2019