The flag-draped coffin of former Israeli President Shimon Peres is carried by an honour guard at the start of his funeral ceremony at Mount Herzl cemetery in Jerusalem September 30, 2016. REUTERS/Baz Ratner TPX IMAGES OF THE DAY

Israeli Prime Minister Benjamin Netanyahu observes a moment of silence after laying a wreath near the grave of former Israeli President Shimon Peres during the burial ceremony at Mount Herzl Cemetery in Jerusalem. REUTERS/Ronen Zvulun 

Former U.S. President Bill Clinton touches the flag-draped coffin of former Israeli President Shimon Peres, after eulogising him during his funeral ceremony at Mount Herzl cemetery in Jerusalem September 30, 2016. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

Family members of former Israeli President Shimon Peres walk behind his flag-draped coffin during a ceremony at the Knesset, the Israeli parliament, before it is transported to Mount Herzl Cemetery ahead of the funeral in Jerusalem . REUTERS/Ammar Awad 

Tsvia, the daughter of former Israeli President Shimon Peres is comforted by her family as she mourns during her father's funeral ceremony at Mount Herzl cemetery in Jerusalem. REUTERS/Baz Ratner 

U.S President Barack Obama eulogises former Israeli President Shimon Peres during his funeral ceremony at Mount Herzl cemetery in Jerusalem September 30, 2016. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

A woman kneels near the wreath-covered grave of former Israeli President Shimon Peres, after the burial ceremony at his funeral in Mount Herzl Cemetery in Jerusalem September 30, 2016. REUTERS/Dylan Martinez 

Members of an Israeli Knesset guard stand beside the flag-draped coffin of former Israeli President Shimon Peres during the burial ceremony at the funeral at Mount Herzl Cemetery in Jerusalem September 30, 2016. REUTERS/Ronen Zvulun 

Former British Prime Ministers David Cameron (C) and Tony Blair (R) attend the funeral ceremony of former Israeli President Shimon Peres at Mount Herzl cemetery in Jerusalem September 30, 2016. REUTERS/Abir Sultan/Pool 

Zvia Valdan, daughter of former Israeli president Shimon Peres, reacts before her father's casket during his funeral at the Mount Herzl cemetery in Jerusalem. REUTERS/Kevin Lamarque 

Yael Pedazur, who works at the Peres Center for Peace, mourns beside the grave of former Israeli President Shimon Peres during the burial ceremony at his funeral at Mount Herzl Cemetery in Jerusalem. REUTERS/Ronen Zvulun 

Former U.S. President Bill Clinton touches the coffin of former Israeli President Shimon Peres after delivering his eulogy at Peres's funeral on Mt. Herzl Military Cemetery in Jerusalem. REUTERS/Abir Sultan/Pool 

Grandchildren of former Israeli President Shimon Peres lay a wreath on the grave of their grandfather during the burial ceremony at Mount Herzl Cemetery in Jerusalem. REUTERS/Ronen Zvulun 

Ultra-Orthodox Jewish youths stand atop a wall near Mount Herzl cemetery before the start of the funeral ceremony for former Israeli President Shimon Peres in Jerusalem. REUTERS/Amir Cohen 

President Barack Obama (C-L) stands alongside Israeli Prime Minister Benjamin Netanyahu (C-R) before the flag draped coffin of Shimon Peres during his funeral on Mt. Herzl Military Cemetery in Jerusalem, Israel. At left is Canadian Prime Minister Justin Trudeau. REUTERS/Abir Sultan/Pool 

Israeli Prime Minister Benjamin Netanyahu stands before the coffin of Shimon Peres after delivering his eulogy during the elder statesman's funeral on Mt. Herzl Cemetery in Jerusalem. REUTERS/Abir Sultan/Pool 

Canada's Prime Minister Justin Trudeau (L) is seen upon his arrival to attend the funeral of former Israeli President Shimon Peres at Mount Herzl cemetery in Jerusalem. REUTERS/Baz Ratner 

President Barack Obama touches the casket of former Israeli President Shimon Peres after speaking at his funeral at the Mount Herzl cemetery in Jerusalem. REUTERS/Kevin Lamarque 

Britain's Prince Charles (L) and French President Francois Hollande (R) are seen upon their arrival to attend the funeral of former Israeli President Shimon Peres at Mount Herzl cemetery in Jerusalem. REUTERS/Baz Ratner 

Former French President Nicolas Sarkozy is seen upon his arrival to attend the funeral of former Israeli President Shimon Peres at Mount Herzl cemetery in Jerusalem. REUTERS/Baz Ratner 

Ultra-Orthodox Jewish youths sit atop a wall as they watch the funeral ceremony for former Israeli president Shimon Peres taking place at Mount Herzl cemetery in Jerusalem. REUTERS/Dylan Martinez