Belgian lawyer Dimitri de Beco, representing Iranian diplomat Assadollah Assadi who was charged in Belgium with planning to bomb a meeting of an exiled Iranian opposition group in France, speaks to the media outside a court building in Antwerp, Belgium May 5, 2021. REUTERS/Clement Rossignol

Belgian lawyer Dimitri de Beco, representing Iranian diplomat Assadollah Assadi who was charged in Belgium with planning to bomb a meeting of an exiled Iranian opposition group in France, speaks to the media outside a court building in Antwerp, Belgium May 5, 2021. REUTERS/Clement Rossignol

A view of the Russian embassy in Sofia, Bulgaria, April 29, 2021. REUTERS/Stoyan Nenov

Czech Minister of Foreign Affairs Jan Hamacek arrives to welcome Czech diplomats expelled from Russia at Vaclav Havel Airport in Prague, Czech Republic April 19, 2021. REUTERS/David W Cerny

Czech diplomats expelled from Russia arrive at Vaclav Havel Airport in Prague, Czech Republic April 19, 2021. REUTERS/David W Cerny

Czech Minister of Foreign Affairs Jan Hamacek arrives to welcome Czech diplomats expelled from Russia at Vaclav Havel Airport in Prague, Czech Republic April 19, 2021. REUTERS/David W Cerny

Czech diplomats expelled from Russia arrive at Vaclav Havel Airport in Prague, Czech Republic April 19, 2021. REUTERS/David W Cerny

Czech diplomats expelled from Russia arrive at Vaclav Havel Airport in Prague, Czech Republic April 19, 2021. REUTERS/David W Cerny

Czech diplomats expelled from Russia arrive at Vaclav Havel Airport in Prague, Czech Republic April 19, 2021. REUTERS/David W Cerny

Czech diplomats expelled from Russia arrive at Vaclav Havel Airport in Prague, Czech Republic April 19, 2021. REUTERS/David W Cerny

A plane carrying Czech diplomats expelled from Russia arrives at Vaclav Havel Airport in Prague, Czech Republic April 19, 2021. REUTERS/David W Cerny

Israeli Foreign Minister Gabi Ashkenazi, Anwar Gargash, diplomatic adviser of UAE's President, Greece's Foreign Minister Nikos Dendias and Cypriot Foreign Minister Nikos Christodoulides talk as they walk after their meeting in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Israeli Foreign Minister Gabi Ashkenazi, Anwar Gargash, diplomatic adviser of UAE's President, Greece's Foreign Minister Nikos Dendias, and Cypriot Foreign Minister Nikos Christodoulides talk as they walk after their meeting in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Israeli Foreign Minister Gabi Ashkenazi speaks during a joint news conference with Cypriot Foreign Minister Nikos Christodoulides, Greece's Foreign Minister Nikos Dendias and Anwar Gargash, diplomatic adviser of UAE's President, in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Cypriot Foreign Minister Nikos Christodoulides, Israeli Foreign Minister Gabi Ashkenazi, Greece's Foreign Minister Nikos Dendias and Anwar Gargash, diplomatic adviser of UAE's President, attend a joint news conference in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Anwar Gargash, diplomatic adviser of UAE's President, speaks during a joint news conference with Cypriot Foreign Minister Nikos Christodoulides, Greece's Foreign Minister Nikos Dendias and Israeli Foreign Minister Gabi Ashkenazi in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Greece's Foreign Minister Nikos Dendias speaks during a joint news conference with Cypriot Foreign Minister Nikos Christodoulides, Israeli Foreign Minister Gabi Ashkenazi and Anwar Gargash, diplomatic adviser of UAE's President, in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Israeli Foreign Minister Gabi Ashkenazi speaks during a joint news conference with Cypriot Foreign Minister Nikos Christodoulides, Greece's Foreign Minister Nikos Dendias and Anwar Gargash, diplomatic adviser of UAE's President, in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Cypriot Foreign Minister Nikos Christodoulides, Israeli Foreign Minister Gabi Ashkenazi, Greece's Foreign Minister Nikos Dendias and Anwar Gargash, diplomatic adviser of UAE's President, attend a joint news conference in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Cypriot Foreign Minister Nikos Christodoulides, Israeli Foreign Minister Gabi Ashkenazi, Greece's Foreign Minister Nikos Dendias and Anwar Gargash, diplomatic adviser of UAE's President, greet each other during a meeting in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Cypriot Foreign Minister Nikos Christodoulides, Israeli Foreign Minister Gabi Ashkenazi, Greece's Foreign Minister Nikos Dendias and Anwar Gargash, diplomatic adviser of UAE's President, talk during a meeting in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Cypriot Foreign Minister Nikos Christodoulides welcomes Israeli Foreign Minister Gabi Ashkenazi before a meeting in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Israeli Foreign Minister Gabi Ashkenazi embraces Greece's Foreign Minister Nikos Dendias during a meeting in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Cypriot Foreign Minister Nikos Christodoulides welcomes Greece's Foreign Minister Nikos Dendias before a meeting in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Cypriot Foreign Minister Nikos Christodoulides, Israeli Foreign Minister Gabi Ashkenazi, Greece's Foreign Minister Nikos Dendias and Anwar Gargash, diplomatic adviser of UAE's President, pose for a photo during a meeting in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Cypriot Foreign Minister Nikos Christodoulides, Israeli Foreign Minister Gabi Ashkenazi, Greece's Foreign Minister Nikos Dendias and Anwar Gargash, diplomatic adviser of UAE's President, pose for a photo during a meeting in Paphos, Cyprus April 16, 2021. Iakovos Hatzistavrou/Pool via REUTERS

Vehicles with diplomatic license plates sit parked next to the Consulate-General of the Russian Federation in New York City, U.S., April 15, 2021. REUTERS/Shannon Stapleton

Men stand behind diplomatic vehicles next to the Consulate-General of the Russian Federation in New York City, U.S., April 15, 2021. REUTERS/Shannon Stapleton

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, stand with foreign diplomats outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, stand among other diplomats outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, stand with foreign diplomats outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins

Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, stand with foreign diplomats outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins

William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, and Jim Nickel, charge d'affaires of the Canadian Embassy in Beijing, stand with foreign diplomats and members of the media outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins

Foreign diplomats arrive outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins

William "Bill" Klein, acting deputy chief of mission of the U.S. Embassy in Beijing, and other foreign diplomats arrive outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins

Jim Nickel (centre R), Charge d'affaires of the Canadian Embassy in Beijing, and William "Bill" Klein (centre L), acting deputy chief of mission of the U.S. Embassy in Beijing, stand among other diplomats outside Beijing No. 2 Intermediate People's Court where Michael Kovrig, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Beijing, China March 22, 2021. REUTERS/Carlos Garcia Rawlins

U.S. President Joe Biden exits the Diplomatic Entrance as he departs on travel to Atlanta, Georgia to receive a CDC update on the "fight against the coronavirus disease (COVID-19) pandemic" and later to meet with Asian-American leaders, from the South Lawn at the White House in Washington, U.S., March 19, 2021. REUTERS/Jonathan Ernst

Foreign diplomats wave at police cars exiting the Intermediate People's Court where Michael Spavor, a Canadian detained by China in December 2018 on suspicion of espionage, stood trial, in Dandong, Liaoning province, China March 19, 2021. REUTERS/Carlos Garcia Rawlins

Jim Nickel, Charge d'affaires of the Canadian Embassy in China, and other foreign diplomats stand outside the Intermediate People's Court where Michael Spavor, a Canadian detained by China in December 2018 on suspicion of espionage, stood trial, in Dandong, Liaoning province, China March 19, 2021. REUTERS/Carlos Garcia Rawlins

Foreign diplomats wait outside the Intermediate People's Court where Michael Spavor, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Dandong, Liaoning province, China March 19, 2021. REUTERS/Carlos Garcia Rawlins

Foreign diplomats wait outside the Intermediate People's Court where Michael Spavor, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Dandong, Liaoning province, China March 19, 2021. REUTERS/Carlos Garcia Rawlins

Jim Nickel, Charge d'affaires of the Canadian Embassy in Beijing, waits with foreign diplomats outside the Intermediate People's Court where Michael Spavor, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Dandong, Liaoning province, China March 19, 2021. REUTERS/Carlos Garcia Rawlins

Jim Nickel, Charge d'affaires of the Canadian Embassy in Beijing, speaks to foreign diplomats outside the Intermediate People's Court where Michael Spavor, a Canadian detained by China in December 2018 on suspicion of espionage, is expected to stand trial, in Dandong, Liaoning province, China March 19, 2021. REUTERS/Carlos Garcia Rawlins

Czech Prime Minister Andrej Babis, Israeli Foreign Minister Gabi Ashkenazi and Israeli Public Security Minister Amir Ohana unveil a sign during an inauguration ceremony of a Czech diplomatic representation in Jerusalem March 11, 2021. Sebastian Scheiner/Pool via REUTERS

Czech Prime Minister Andrej Babis and Israeli Foreign Minister Gabi Ashkenazi attend an inauguration ceremony of a Czech diplomatic representation in Jerusalem March 11, 2021. Sebastian Scheiner/Pool via REUTERS

Foreign diplomats arrive for the opening session of the National People's Congress (NPC) at the Great Hall of the People in Beijing, China March 5, 2021. REUTERS/Carlos Garcia Rawlins

Foreign diplomats attend the opening session of the Chinese People's Political Consultative Conference (CPPCC) at the Great Hall of the People in Beijing, China March 4, 2021. REUTERS/Carlos Garcia Rawlins

Foreign diplomats queue up outside West Kowloon Magistrates' Courts for a court hearing for pro-democracy activists over charges related to national security, in Hong Kong, China March 1, 2021. REUTERS/Lam Yik

Indian officials escort foreign diplomats as they arrive to visit Kashmir's holiest Muslim shrine of Hazratbal, in Srinagar February 17, 2021. REUTERS/Danish Ismail

Indian officials escort foreign diplomats as they arrive to visit Kashmir's holiest Muslim shrine of Hazratbal, in Srinagar February 17, 2021. REUTERS/Danish Ismail

Indian policemen stand guard as a convoy carrying foreign diplomats moves on a road in Srinagar, February 17, 2021. REUTERS/Danish Ismail

A man stands next to Palestinian Prime Minister Mohammad Shtayyeh during a visit to the village of Khirbet Humsah, which was razed by Israeli forces, in Jordan Valley in the Israeli-occupied West Bank February 4, 2021. REUTERS/Raneen Sawafta

Mohammad Shtayyeh, Palestinian Prime Minister, speaks with a woman during a visit to the village of Khirbet Humsah, which was razed by Israeli forces, in Jordan Valley in the Israeli-occupied West Bank February 4, 2021. REUTERS/Raneen Sawafta

Sven Kuehn von Burgsdorff, the European Union's representative to the West Bank and Gaza, visits the Palestinian village of Khirbet Humsah, which was razed by Israeli forces, in Jordan Valley in the Israeli-occupied West Bank February 4, 2021. REUTERS/Raneen Sawafta

Mohammad Shtayyeh, Palestinian Prime Minister, speaks as Sven Kuehn von Burgsdorff, the European Union's representative to the West Bank and Gaza, stands next to him during a visit to the village of Khirbet Humsah which was razed by Israeli forces, in Jordan Valley in the Israeli-occupied West Bank February 4, 2021. REUTERS/Raneen Sawafta

Mohammad Shtayyeh, Palestinian Prime Minister, Sven Kuehn von Burgsdorff, the European Union's representative to the West Bank and Gaza, and other foreign diplomats visit the village of Khirbet Humsah which was razed by Israeli forces, in Jordan Valley in the Israeli-occupied West Bank February 4, 2021. REUTERS/Raneen Sawafta

Sven Kuehn von Burgsdorff, the European Union's representative to the West Bank and Gaza, gestures as he speaks with a Palestinian woman during a visit to the village of Khirbet Humsah, which was razed by Israeli forces, in Jordan Valley in the Israeli-occupied West Bank February 4, 2021. REUTERS/Raneen Sawafta

Palestinian Prime Minister Mohammad Shtayyeh fixes the fence of a livestock pen that was dismantled by Israeli forces in the village of Khirbet Humsah, in Jordan Valley in the Israeli-occupied West Bank February 4, 2021. REUTERS/Raneen Sawafta

A worker of the Israeli foreign ministry scans the signed agreement to be sent to Kosovo during a virtual ceremony to establish diplomatic relations between Israel and Kosovo in the Israeli foreign ministry in Jerusalem February 1, 2021 REUTERS/ Amir Cohen