Turkish President Recep Tayyip Erdogan (R) meets with Brunei's Sultan Hassanal Bolkiah (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (L) meets with Emir of Qatar Sheikh Tamim bin Hamad Al Thani (R) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) meets with Indonesia's President Joko Widodo (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (L) meets with Chairman of the Presidential Council of Libya and Prime Minister of the Government of National Accord of Libya Fayez al-Sarraj (R) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (L) meets with Kuwaiti Emir Sabah al-Ahmad al-Jaber al-Sabah (R) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) meets with Malaysian Prime Minster Najib Razak (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (L) meets with President of Azerbaijan Ilham Aliyev (R) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

President of Turkey Recep Tayyip Erdogan (C), Prime Minister of Turkey Binali Yildirim (2nd row L), King Abdullah II of Jordan (L) and Palestinian President Mahmoud Abbas (2nd L) pose for a family photo during an Extraordinary Meeting of the Organization of Islamic Cooperation (OIC) Islamic Summit Conference in Istanbul, Turkey on December 13, 2017. ( Arif Hüdaverdi Yaman - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (L) chats with Somalian President Mohamed Abdullahi Mohamed (R) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) chats with Iranian President Hassan Rouhani (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Participants pose for a family photo during the extraordinary summit of the Organisation of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. Turkey hosts the extraordinary summit, gathered after U.S. President Donald Trump’s announcement to recognize Jerusalem as the capital of Israel and plans to relocate the U.S. Embassy from Tel Aviv to Jerusalem. ( Arif Hüdaverdi Yaman - Anadolu Agency )

President of Venezuela Nicolas Maduro (R) and Turkish Presidential Spokesman Ibrahim Kalin (L) gesture during the extraordinary summit of the Organisation of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. Turkey hosts the extraordinary summit, gathered after U.S. President Donald Trump’s announcement to recognize Jerusalem as the capital of Israel and plans to relocate the U.S. Embassy from Tel Aviv to Jerusalem. ( Arif Hüdaverdi Yaman - Anadolu Agency )

President of Venezuela Nicolas Maduro (L poses for a family photo during an Extraordinary Meeting of the Organization of Islamic Cooperation (OIC) Islamic Summit Conference in Istanbul, Turkey on December 13, 2017. ( Arif Hüdaverdi Yaman - Anadolu Agency )

President of Turkey Recep Tayyip Erdogan (C), Prime Minister of Turkey Binali Yildirim (2nd row C), King Abdullah II of Jordan (C- L), President of Azerbaijan Ilham Aliyev (3rd R), Palestinian President Mahmoud Abbas (C- R) and President of Iran Hassan Rouhani pose for a family photo during an Extraordinary Meeting of the Organization of Islamic Cooperation (OIC) Islamic Summit Conference in Istanbul, Turkey on December 13, 2017. ( Arif Hüdaverdi Yaman - Anadolu Agency )

President of Iran Hassan Rouhani (R) and Emir of Qatar Sheikh Tamim bin Hamad Al Thani pose for a family photo during an Extraordinary Meeting of the Organization of Islamic Cooperation (OIC) Islamic Summit Conference in Istanbul, Turkey on December 13, 2017. ( Arif Hüdaverdi Yaman - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) chats with Prime Minister of Pakistan Shahid Khaqan Abbasi (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) chats with participants within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) chats with Palestinian President Mahmoud Abbas (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) chats with Chief Minister of Punjab Shahbaz Sharif (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) chats with Jordanian King Abdullah II (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) chats with participants within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (L) chats with President of Sudan Omar al-Bashir (R) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) chats with Lebanese President Michel Aoun (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (R) chats with President of Guinea Alpha Conde (L) within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan (L) chats with participants within the extraordinary summit of the Organization of Islamic Cooperation (OIC) in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

The extraordinary summit of the Organization of Islamic Cooperation (OIC) held in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )

Turkish President Recep Tayyip Erdogan makes an opening speech of the extraordinary summit of the Organization of Islamic Cooperation (OIC) at the Lutfi Kirdar International Convention and Exhibition Center in Istanbul, Turkey on December 13, 2017. ( Kayhan Özer - Anadolu Agency )