Bernard Kouchner, former Foreign Minister of France, is seen during the 2018 Iran Uprising Summit in Manhattan, New York, U.S., September 22, 2018. REUTERS/Amr Alfiky

Bernard Kouchner, former Foreign Minister of France, is seen during the 2018 Iran Uprising Summit in Manhattan, New York, U.S., September 22, 2018. REUTERS/Amr Alfiky

Bernard Kouchner, former Foreign Minister of France, is seen during the 2018 Iran Uprising Summit in Manhattan, New York, U.S., September 22, 2018. REUTERS/Amr Alfiky

Bernard Kouchner, former Foreign Minister of France, is seen during the 2018 Iran Uprising Summit in Manhattan, New York, U.S., September 22, 2018. REUTERS/Amr Alfiky

Bernard Kouchner, former Foreign Minister of France, is seen during 2018 Iran Uprising Summit in Manhattan, New York, U.S., September 22, 2018. REUTERS/Amr Alfiky

Founder of 1999 Nobel Peace Prize winning organization Doctors without Borders (MSF) Bernard Kouchner attends a speech at the Estoril Conferences - Global challenges, local answers, in Estoril, Portugal May 29, 2017. REUTERS/Pedro Nunes

Founder of 1999 Nobel Peace Prize winning organization Doctors without Borders (MSF) Bernard Kouchner attends a speech at the Estoril Conferences - Global challenges, local answers, in Estoril, Portugal May 29, 2017. REUTERS/Pedro Nunes

Founder of 1999 Nobel Peace Prize winning organization Doctors without Borders (MSF) Bernard Kouchner attends a speech at the Estoril Conferences - Global challenges, local answers, in Estoril, Portugal May 29, 2017. REUTERS/Pedro Nunes

Founder of 1999 Nobel Peace Prize winning organization Doctors without Borders (MSF) Bernard Kouchner attends a speech at the Estoril Conferences - Global challenges, local answers, in Estoril, Portugal May 29, 2017. REUTERS/Pedro Nunes

Nicolas Sarkozy (C), head of France's Les Republicains political party and former French president, speaks with former French Minister of Foreign and European Affairs Bernard Kouchner (R) and journalist Christine Ockrent (L) as they attend an official funeral ceremony for late former French Socialist Prime Minister Michel Rocard at the Hotel des Invalides in Paris, France, July 7, 2016. REUTERS/Charles Platiau

Female fighters of the Kurdish People's Protection Units (YPG) are pictured during a visit by former French Minister of Foreign and European Affairs Bernard Kouchner (not pictured) to western Ras Al-Ain countryside November 28, 2014. REUTERS/Rodi Said (SYRIA - Tags: CIVIL UNREST CONFLICT MILITARY)

Former French Minister of Foreign and European Affairs Bernard Kouchner (L) greets a Kurdish People's Protection Units (YPG) fighter during his visit to western Ras Al-Ain countryside November 28, 2014. REUTERS/Rodi Said (SYRIA - Tags: CIVIL UNREST CONFLICT MILITARY)

Members of the Kurdish People's Protection Units (YPG) accompany former French Minister of Foreign and European Affairs Bernard Kouchner (3rd R) during his visit to western Ras Al-Ain countryside November 28, 2014. REUTERS/Rodi Said (SYRIA - Tags: CIVIL UNREST POLITICS CONFLICT)

Members of the Kurdish People's Protection Units (YPG) accompany former French Minister of Foreign and European Affairs Bernard Kouchner (2nd R) during his visit to western Ras Al-Ain countryside November 28, 2014. REUTERS/Rodi Said (SYRIA - Tags: CIVIL UNREST POLITICS CONFLICT)

Bernard Kouchner, former French minister for Foreign and European Affairs, gestures as he speaks during an international meeting in Rome December 19, 2013. The meeting organised by the Italian committee of parliamentarians and pro-democracy Iranian activists was held to discuss the nuclear talks in Geneva, organisers said. REUTERS/Alessandro Bianchi (ITALY - Tags: POLITICS)

Bernard Kouchner (L), former French Foreign Affairs Minister, and journalist Christine Ockrent (R) leave after the tribute ceremony in memory of late French actress Marie-France Pisier at Saint Roch church in Paris May 5, 2011. Pisier died in Sanary-sur-mer on April 24, 2011 at the age of 66. REUTERS/Charles Platiau (FRANCE - Tags: OBITUARY ENTERTAINMENT)

Bernard Kouchner (C), former French Foreign Affairs Minister, and journalist Christine Ockrent (R) leave after the tribute ceremony in memory of late French actress Marie-France Pisier at Saint Roch church in Paris May 5, 2011. Pisier died in Sanary-sur-mer on April 24, 2011 at the age of 66. REUTERS/Charles Platiau (FRANCE - Tags: OBITUARY ENTERTAINMENT)

Michele Alliot-Marie (L), French newly-named Foreign Affairs Minister, and Bernard Kouchner (R), outgoing Foreign Affairs Minister, arrive for an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Gonzalo Fuentes (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (R), French newly-named Foreign Affairs Minister, and outgoing Foreign Affairs Minister Bernard Kouchner (L) arrive for a news conference during an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Gonzalo Fuentes (FRANCE - Tags: POLITICS)

From L to R : French newly-named European Affairs Junior Minister Laurent Wauquiez, newly-named Cooperation Junior Minister Henri de Raincourt, Michele Alliot-Marie, French newly-named Foreign Affairs Minister, outgoing Foreign Affairs Minister Bernard Kouchner, and Pierre Lellouche, outgoing Secretary of State for European Affairs, attend a news conference during an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Gonzalo Fuentes (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (R), France's newly-named Foreign Affairs Minister, and Bernard Kouchner (C), outgoing Foreign Affairs Minister, arrive for an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, Bernard Kouchner (C), outgoing Foreign Affairs Minister, newly-named European Affairs Junior Minister Laurent Wauquiez (2nd L) and Pierre Lellouche (R), outgoing Secretary of State for European Affairs, attend a news conference during an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, Bernard Kouchner (2nd R), outgoing Foreign Affairs Minister, newly-named European Affairs Junior Minister Laurent Wauquiez (2nd L) and Pierre Lellouche (R), outgoing Secretary of State for European Affairs, attend a news conference during an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Bernard Kouchner, outgoing Foreign Affairs Minister, holds his head as he stands alone before a handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Bernard Kouchner, outgoing Foreign Affairs Minister, stands alone before a handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, Bernard Kouchner (C), outgoing Foreign Affairs Minister, and Pierre Lellouche (R), outgoing Secretary of State for European Affairs, attend a news conference during an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Bernard Kouchner, outgoing Foreign Affairs Minister, is seen through the glasses of Michele Alliot-Marie, French newly-named Foreign Affairs Minister, during a news conference at an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (C), France's newly-named Foreign Affairs Minister, and Bernard Kouchner (R), outgoing Foreign Affairs Minister, leave a news conference after an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, and Bernard Kouchner (R), outgoing Foreign Affairs Minister, attend a news conference during a handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (2nd L), France's newly-named Foreign Affairs Minister, and Bernard Kouchner (2nd R), outgoing Foreign Affairs Minister, leave a news conference after an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, and Bernard Kouchner, outgoing Foreign Affairs Minister speak after an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Charles Platiau (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, and Bernard Kouchner (C), outgoing Foreign Affairs Minister, leave an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Charles Platiau (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, and Bernard Kouchner (C), outgoing Foreign Affairs Minister, kiss near newly-named European Affairs Junior Minister Laurent Wauquiez (R) after an handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Charles Platiau (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, and Bernard Kouchner, outgoing Foreign Affairs Minister, arrive at a handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Gonzalo Fuentes (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, and Bernard Kouchner, outgoing Foreign Affairs Minister, arrive at a handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Gonzalo Fuentes (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, walks with outgoing minister Bernard Kouchner at a handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (R), France's newly-named Foreign Affairs Minister, stands with Bernard Kouchner (L), outgoing Foreign Affairs Minister, as they arrive at a handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Gonzalo Fuentes (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (R), France's newly-named Foreign Affairs Minister, stands with Bernard Kouchner (C), outgoing Foreign Affairs Minister, and newly-named European Affairs Junior Minister Laurent Wauquiez (L) as they arrive at a handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Gonzalo Fuentes (FRANCE - Tags: POLITICS)

Michele Alliot-Marie (L), France's newly-named Foreign Affairs Minister, walks with outgoing minister Bernard Kouchner at a handover ceremony at the Quai d'Orsay in Paris November 16, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

French Foreign Minister Bernard Kouchner (L) meets with Afghanistan's President Hamid Karzai at the presidential palace in Kabul November 13, 2010. Kouchner is on an official visit in Afghanistan. REUTERS/Massoud Hossaini/Pool (AFGHANISTAN - Tags: POLITICS)

French Foreign Minister Bernard Kouchner (2nd R) arrives at the presidential palace for a meeting with Afghanistan's President Hamid Karzai in Kabul November 13, 2010. Kouchner is on an official visit in Afghanistan. REUTERS/Massoud Hossaini/Pool (AFGHANISTAN - Tags: POLITICS)

French Ecology Minister Jean-Louis Borloo (R) and Foreign Affairs Minister Bernard Kouchner leave the Elysee Palace following the weekly cabinet meeting in Paris November 10, 2010. REUTERS/Eric Gaillard (FRANCE - Tags: POLITICS)

French Foreign Affairs Minister Bernard Kouchner speaks during a news conference after meeting with Lebanon's Christian Maronite Patriarch Cardinal Mar Nasrallah Boutros Sfeir at Bkerki, north of Beirut, November 6, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS RELIGION)

Lebanon's Christian Maronite Patriarch Cardinal Mar Nasrallah Boutros Sfeir offers a book to French Foreign Affairs Minister Bernard Kouchner (L) as Denis Pietton (R), the French ambassador to Lebanon looks on at Bkerki, north of Beirut, November 6, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS RELIGION)

Lebanon's Christian Maronite Patriarch Cardinal Mar Nasrallah Boutros Sfeir (R) welcomes French Foreign Affairs Minister Bernard Kouchner upon Kouchner's arrival at Bkerki, north of Beirut, November 6, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS RELIGION)

French Foreign Affairs Minister Bernard Kouchner (L) chats with Lebanon's Christian Maronite Patriarch Cardinal Mar Nasrallah Boutros Sfeir during their meeting at Bkerki, north of Beirut, November 6, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS RELIGION)

Lebanon's Christian Maronite Patriarch Cardinal Mar Nasrallah Boutros Sfeir (R) welcomes French Foreign Affairs Minister Bernard Kouchner upon Kouchner's arrival at Bkerki, north of Beirut, November 6, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS RELIGION)

France's Foreign Affairs Minister Bernard Kouchner (L) meets Lebanon's Prime Minister Saad al-Hariri at the government palace in Beirut November 5, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS)

French Foreign Affairs Minister Bernard Kouchner (L) shakes hands with Lebanon's Prime Minister Saad al-Hariri at the government palace in Beirut, November 5, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS)

French Foreign Affairs Minister Bernard Kouchner (L) meets with Lebanon's President Michel Suleiman at the presidential palace in Baabda, near Beirut, November 5, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS)

French Foreign Affairs Minister Bernard Kouchner (L) meets with Lebanon's President Michel Suleiman at the presidential palace in Baabda, near Beirut, November 5, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS)

French Foreign Affairs Minister Bernard Kouchner (L) shakes hands with Lebanon's President Michel Suleiman upon his arrival at the presidential palace in Baabda, near Beirut, November 5, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS)

French Foreign Affairs Minister Bernard Kouchner arrives to meet with Lebanon's President Michel Suleiman at the presidential palace in Baabda, near Beirut, November 5, 2010. REUTERS/ Mohamed Azakir (LEBANON - Tags: POLITICS)

French Foreign Affairs Minister Bernard Kouchner arrives for a meeting with China's President Hu Jintao at the Elysee Palace in Paris November 4, 2010. REUTERS/Benoit Tessier (FRANCE - Tags: POLITICS)

French Foreign Affairs Minister Bernard Kouchner leaves the Elysee Palace following the weekly cabinet meeting in Paris November 3, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

French Ecology Minister Jean-Louis Borloo (R) and Foreign Affairs Minister Bernard Kouchner leave the Elysee Palace following the weekly cabinet meeting in Paris November 3, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

French Minister of Implementing Recovery Patrick Devedjian (L), Foreign Affairs Minister Bernard Kouchner (2nd L), Prime Minister Francois Fillon (2nd R) and Agriculture Minister Bruno Le Maire leave the Elysee Palace following the weekly cabinet meeting in Paris November 3, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Elysee Palace General Secretary Claude Gueant and French Foreign Affairs Minister Bernard Kouchner (R) leave the Elysee Palace following the weekly cabinet meeting in Paris October 27, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Elysee Palace General Secretary Claude Gueant and French Foreign Affairs Minister Bernard Kouchner (R) leave the Elysee Palace following the weekly cabinet meeting in Paris October 27, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)

Elysee Palace General Secretary Claude Gueant and French Foreign Affairs Minister Bernard Kouchner (R) leave the Elysee Palace following the weekly cabinet meeting in Paris October 27, 2010. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS)