A hotel manager wearing a face mask uses a key to unlock an elevator in Abu Mazen Hotel that is closed to customers due to concerns about the spread of the coronavirus disease (COVID-19), in Hebron in the Israeli-occupied West Bank July 1, 2020. REUTERS/Mussa Qawasma 

A hotel manager is seen in Abu Mazen Hotel that is closed to customers due to concerns about the spread of the coronavirus disease (COVID-19), in Hebron in the Israeli-occupied West Bank July 1, 2020. REUTERS/Mussa Qawasma 

A hotel manager opens the curtains in a room in Abu Mazen Hotel that is closed to customers due to concerns about the spread of the coronavirus disease (COVID-19), in Hebron in the Israeli-occupied West Bank July 1, 2020. REUTERS/Mussa Qawasma 

A hotel manager is seen in Abu Mazen Hotel that is closed to customers due to concerns about the spread of the coronavirus disease (COVID-19), in Hebron in the Israeli-occupied West Bank July 1, 2020. REUTERS/Mussa Qawasma 

Palestinian boy Mazen Al-Najar covers his face with a bottle with cotton and coal to protect himself from inhaling tear gas fired by Israeli troops during a protest at the Israel-Gaza border in the southern Gaza Strip April 6, 2018. Picture taken April 6, 2018. REUTERS/Ibraheem Abu Mustafa 

Members of Palestinian security forces loyal to Hamas stand guard during a news conference disclosing details on the killing of senior commander Mazen Fuqaha, in Gaza City May 16, 2017. REUTERS/Ibraheem Abu Mustafa 

Members of Palestinian security forces loyal to Hamas stand guard during a news conference disclosing details on the killing of senior commander Mazen Fuqaha, in Gaza City May 16, 2017. REUTERS/Ibraheem Abu Mustafa 

Tawfiq Abu Naeem (2nd L), head of Hamas-run security forces in Gaza, speaks during a news conference disclosing details on the killing of senior commander Mazen Fuqaha, in Gaza City May 16, 2017. REUTERS/Ibraheem Abu Mustafa 

Palestinian President Mahmoud Abbas attends the Christmas Midnight Mass in Saint Catherine's Church at the Church of the Nativity, where Christians believe the Virgin Mary gave birth to Jesus Christ, in the West Bank town of Bethlehem December 25, 2016. REUTERS/Musa Al Shaer/Pool 

Palestinian President Mahmoud Abbas attends the Christmas Midnight Mass in Saint Catherine's Church at the Church of the Nativity, where Christians believe the Virgin Mary gave birth to Jesus Christ, in the West Bank town of Bethlehem December 25, 2016. REUTERS/Musa Al Shaer/Pool 

Palestinian President Mahmoud Abbas gestures as he welcomes Italy's President Sergio Mattarella during a welcoming ceremony in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad

Palestinian President Mahmoud Abbas (R) walks with Italy's President Sergio Mattarella during a welcoming ceremony in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad

Palestinian President Mahmoud Abbas (R) shakes hands with Italy's President Sergio Mattarella after a joint news conference in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad

Palestinian President Mahmoud Abbas (R) stands next to Italy's President Sergio Mattarella during a welcoming ceremony in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad

Palestinian President Mahmoud Abbas attends a joint news conference with Italy's President Sergio Mattarella in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad

Palestinian President Mahmoud Abbas (R) and Italy's President Sergio Mattarella review the honor guard in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad

Palestinian President Mahmoud Abbas (R) walks with Italy's President Sergio Mattarella during a welcoming ceremony in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad

Palestinian President Mahmoud Abbas (R) shakes hands with Italy's President Sergio Mattarella after a joint news conference in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad

Palestinian President Mahmoud Abbas (R) and Italy's President Sergio Mattarella attend a joint news conference in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad

Palestinian President Mahmoud Abbas (R) and Italy's President Sergio Mattarella attend a joint news conference in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad *** Local Caption *** December 2015. REUTERS/Ammar Awad 

Palestinian President Mahmoud Abbas attends a joint news conference with Italy's President Sergio Mattarella in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad *** Local Caption *** December 2015. REUTERS/Ammar Awad 

Palestinian President Mahmoud Abbas (R) shakes hands with Italy's President Sergio Mattarella after a joint news conference in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad *** Local Caption *** December 2015. REUTERS/Ammar Awad 

Palestinian President Mahmoud Abbas (R) shakes hands with Italy's President Sergio Mattarella after a joint news conference in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad *** Local Caption *** December 2015. REUTERS/Ammar Awad 

Palestinian President Mahmoud Abbas (R) stands next to Italy's President Sergio Mattarella during a welcoming ceremony in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad *** Local Caption *** December 2015. REUTERS/Ammar Awad 

Palestinian President Mahmoud Abbas gestures as he welcomes Italy's President Sergio Mattarella during a welcoming ceremony in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad *** Local Caption *** December 2015. REUTERS/Ammar Awad 

Palestinian President Mahmoud Abbas (R) walks with Italy's President Sergio Mattarella during a welcoming ceremony in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad *** Local Caption *** December 2015. REUTERS/Ammar Awad 

Palestinian President Mahmoud Abbas (R) and Italy's President Sergio Mattarella review the honor guard in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad *** Local Caption *** December 2015. REUTERS/Ammar Awad 

Palestinian President Mahmoud Abbas (R) walks with Italy's President Sergio Mattarella during a welcoming ceremony in the West Bank city of Bethlehem November 1, 2016. REUTERS/Ammar Awad *** Local Caption *** December 2015. REUTERS/Ammar Awad 

Israel's President Shimon Peres ( C ) and Palestinian President Mahmoud Abbas (2nd L) walk together after their meeting in Jerusalem in this July 22, 2008 file photo. REUTERS/Ronen Zvulun/Files 

Palestinian President Mahmoud Abbas addresses the United Nations General Assembly in the Manhattan borough of New York, U.S., September 22, 2016. REUTERS/Lucas Jackson

Palestinian President Mahmoud Abbas addresses the United Nations General Assembly in the Manhattan borough of New York, U.S., September 22, 2016. REUTERS/Lucas Jackson

Palestinian President Mahmoud Abbas addresses the United Nations General Assembly in the Manhattan borough of New York, U.S., September 22, 2016. REUTERS/Lucas Jackson

Palestinian President Mahmoud Abbas addresses the United Nations General Assembly in the Manhattan borough of New York, U.S., September 22, 2016. REUTERS/Lucas Jackson

Palestinian President Mahmoud Abbas addresses the United Nations General Assembly in the Manhattan borough of New York, U.S., September 22, 2016. REUTERS/Lucas Jackson

Palestinian President Mahmoud Abbas addresses the United Nations General Assembly in the Manhattan borough of New York, U.S., September 22, 2016. REUTERS/Lucas Jackson

Palestinian President Mahmoud Abbas takes notes during the United Nations General Assembly in the Manhattan borough of New York, U.S., September 20, 2016. REUTERS/Mike Segar 

French President Francois Hollande welcomes Palestinian President Mahmoud Abbas at the Elysee palace in Paris, France, July 21, 2016. REUTERS/Philippe Wojazer 

French President Francois Hollande welcomes Palestinian President Mahmoud Abbas at the Elysee palace in Paris, France, July 21, 2016. REUTERS/Philippe Wojazer 

French President Francois Hollande welcomes Palestinian President Mahmoud Abbas at the Elysee palace in Paris, France, July 21, 2016. REUTERS/Philippe Wojazer TPX IMAGES OF THE DAY

Palestinian President Mahmoud Abbas signs the Paris Agreement on climate change at the United Nations Headquarters in Manhattan, New York, U.S., April 22, 2016. REUTERS/Carlo Allegri 

Palestinian President Mahmoud Abbas signs the Paris Agreement on climate change at the United Nations Headquarters in Manhattan, New York, U.S., April 22, 2016. REUTERS/Carlo Allegri 

Palestinian President Mahmoud Abbas shakes chats with French President Francois Hollande (L) and U.S. Secretary of State John Kerry (R) before signing the Paris Agreement on climate change at the United Nations Headquarters in Manhattan, New York, U.S., April 22, 2016. REUTERS/Carlo Allegri

Palestinian President Mahmoud Abbas shakes hands with French President Francois Hollande as U.S. Secretary of State John Kerry (R) looks on before signing the Paris Agreement on climate change at the United Nations Headquarters in Manhattan, New York, U.S., April 22, 2016. REUTERS/Carlo Allegri

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas leave a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke TPX IMAGES OF THE DAY

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas leave a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Palestinian President Mahmoud Abbas speaks during a news conference with Chancellor Angela Merkel (unseen) at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas shake hands at a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas address a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Palestinian President Mahmoud Abbas listens through headphones during a news conference with Chancellor Angela Merkel (unseen) at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Palestinian President Mahmoud Abbas speaks during a news conference with Chancellor Angela Merkel (unseen) at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas address a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas address a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas arrive for a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas arrive for a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas arrive for a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

Chancellor Angela Merkel and Palestinian President Mahmoud Abbas arrive for a news conference at the Chancellery in Berlin, Germany, April 19, 2016. REUTERS/Hannibal Hanschke

U.S. Vice-President Joe Biden (L) shakes hands with Palestinian President Mahmoud Abbas in the West Bank city of Ramallah March 9, 2016. REUTERS/Debbie Hill/Pool TPX IMAGES OF THE DAY 

Palestinian President Mahmoud Abbas makes closing remarks at the end of the 5th Extraordinary Organisation of Islamic Cooperation (OIC) Summit on Palestinian issues in Jakarta, Indonesia March 7, 2016. REUTERS/Garry Lotulung 

Palestinian President Mahmoud Abbas (L) and Indonesian President Joko Widodo (R) hug after making closing remarks at the end of the 5th Extraordinary Organisation of Islamic Cooperation (OIC) Summit on Palestinian issues in Jakarta, Indonesia March 7, 2016. REUTERS/Garry Lotulung 

Sudan's President Omar Hassan Ahmad al-Bashir (L), Palestinian President Mahmoud Abbas (2nd L), Indonesia's President Joko Widodo (C), Secretary General of OIC Iyad Madani (2nd R) and Pakistani President Mamnoon Hussain stand during a group photograph with ministers and delegates at the 5th Extraordinary Organisation of Islamic Cooperation (OIC) Summit on Palestinian issues in Jakarta, Indonesia March 7, 2016. REUTERS/Garry Lotulung TPX IMAGES OF THE DAY