
SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (R) and Russian President Vladimir Putin (L) shake hands before their meeting in Saint Petersburg, Russia on August 9, 2016. ( Kayhan Özer - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (2nd L) and Russian President Vladimir Putin (L) shake hands as they pose for a photograph before their meeting in Saint Petersburg, Russia on August 9, 2016. ( Murat Kaynak - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (R) and Russian President Vladimir Putin (L) shake hands as they pose for a photograph before their meeting in Saint Petersburg, Russia on August 9, 2016. ( Murat Kaynak - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (C) attends a meeting with Russian President Vladimir Putin (L) in Saint Petersburg, Russia on August 9, 2016. ( Murat Kaynak - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (R) and Russian President Vladimir Putin (L) shake hands as they pose for a photograph before their meeting in Saint Petersburg, Russia on August 9, 2016. ( Murat Kaynak - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (R) and Russian President Vladimir Putin (L) shake hands as they pose for a photograph before their meeting in Saint Petersburg, Russia on August 9, 2016. ( Murat Kaynak - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (L) attends a meeting with Russian President Vladimir Putin (R) in Saint Petersburg, Russia on August 9, 2016. ( Kayhan Özer - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (R) attends a meeting with Russian President Vladimir Putin (L) in Saint Petersburg, Russia on August 9, 2016. ( Kayhan Özer - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (L) attends a meeting with Russian President Vladimir Putin (R) in Saint Petersburg, Russia on August 9, 2016. ( Kayhan Özer - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (R) greets supporters as he arrives at Pulkovo Airport in Saint Petersburg, Russia on August 9, 2016. ( Kayhan Özer - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (R) greets supporters as he arrives at Pulkovo Airport in Saint Petersburg, Russia on August 9, 2016. ( Kayhan Özer - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan (2nd L) arrives at Pulkovo Airport in Saint Petersburg, Russia on August 9, 2016. ( Kayhan Özer - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan arrives at Pulkovo Airport in Saint Petersburg, Russia on August 9, 2016. ( Kayhan Özer - Anadolu Agency )

SAINT PETERSBURG, RUSSIA - AUGUST 9 : Turkish President Recep Tayyip Erdogan arrives at Pulkovo Airport in Saint Petersburg, Russia on August 9, 2016. ( Kayhan Özer - Anadolu Agency )