Former President of the Republic of East Timor and 1996 Nobel Peace Prize winner Jose Ramos Horta attends a speech at the Estoril Conferences - Global challenges, local answers, in Estoril, Portugal May 29, 2017. REUTERS/Pedro Nunes

Former President of the Republic of East-Timor and 1996 Nobel Peace Prize winner Jose Ramos Horta attends a speech at the Estoril Conferences - Global challenges, local answers, in Estoril, Portugal May 29, 2017. REUTERS/Pedro Nunes

Former President of the Republic of East-Timor and 1996 Nobel Peace Prize winner Jose Ramos Horta attends a speech at the Estoril Conferences - Global challenges, local answers, in Estoril, Portugal May 29, 2017. REUTERS/Pedro Nunes

Jose Ramos-Horta, United Nations' special representative and head of the United Nations Integrated Peacebuilding Office in Guinea-Bissau, speaks to journalists in Bissau, April 13, 2014. Vote counting began in Guinea-Bissau after a heavy turnout in Sunday's legislative and presidential elections meant to bring stability to the West African state after years of coups and political infighting. Horta told Reuters on Sunday that tensions seen during campaigning had eased. REUTERS/Joe Penney (GUINEA-BISSAUSOCIETY - Tags: POLITICS ELECTIONS HEADSHOT)

Former East Timor president Jose Ramos Horta (R) embraces his successor Jose Maria de Vasconcelos, known as Taur Matan Ruak, after the inauguration ceremony Dili May 20, 2012. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS ELECTIONS)

Newly appointed East Timor President Jose Maria de Vasconcelos, known as Taur Matan Ruak (front C) accompanied by his wife Isabel da Costa Ferreira (front L), stands next to outgoing president Jose Ramos Horta while listening to the national anthem during an inauguration ceremony in Dili May 20, 2012. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS ELECTIONS)

Portugal's President Anibal Cavaco Silva is accompanied by his outgoing East Timorese counterpart Jose Ramos-Horta (R) as he arrives at the airport in Dili, East Timor May 19, 2012. Cavaco Silva is in Dili to attend celebrations for the 10th anniversary of East Timor's independence from Indonesia and the inauguration of East Timor's new President Taur Matan Ruak. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: ANNIVERSARY POLITICS)

Portugal's President Anibal Cavaco Silva (L) is greeted by his outgoing East Timorese counterpart Jose Ramos-Horta upon his arrival at the airport in Dili, East Timor May 19, 2012. Cavaco Silva is in Dili to attend celebrations for the 10th anniversary of East Timor's independence from Indonesia and the inauguration of East Timor's new President Taur Matan Ruak. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: ANNIVERSARY POLITICS)

Portugal's President Anibal Cavaco Silva (C) walks beside his outgoing East Timorese counterpart Jose Ramos-Horta (R) as he arrives at the airport in Dili May 19, 2012. Cavaco Silva was in Dili to attend celebrations for the 10th anniversary of East Timor's independence from Indonesia and the inauguration of East Timor's new President Taur Matan Ruak. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS)

Indonesia President Susilo Bambang Yudhoyono (R) walks beside his outgoing East Timorese counterpart Jose Ramos-Horta as they inspect an honour guard during a welcome ceremony in Dili May 19, 2012. Yudhoyono was in Dili to attend celebrations for the 10th anniversary of East Timor's independence from Indonesia and the inauguration of East Timor's new President Taur Matan Ruak. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS MILITARY ANNIVERSARY)

Indonesia President Susilo Bambang Yudhoyono (L) stands beside his outgoing East Timorese counterpart Jose Ramos-Horta during a news conference in Dili May 19, 2012. Yudhoyono was in Dili to attend celebrations for the 10th anniversary of East Timor's independence from Indonesia and the inauguration of East Timor's new President Taur Matan Ruak. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS ANNIVERSARY)

Indonesia President Susilo Bambang Yudhoyono (L) looks at his outgoing East Timorese counterpart Jose Ramos-Horta during a news conference in Dili May 19, 2012. Yudhoyono was in Dili to attend celebrations for the 10th anniversary of East Timor's independence from Indonesia and the inauguration of East Timor's new President Taur Matan Ruak. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS ANNIVERSARY)

Children sit in a vehicle as East Timor's President Jose Ramos-Horta (L) drives off after casting his vote during the country's presidential election in Dili March 17, 2012. Polling stations opened in East Timor on Saturday in a presidential election seen as a key test of stability in Asia's youngest and poorest nation. REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS TRANSPORT)

East Timor's President Jose Ramos-Horta drives his vehicle after casting his vote during the country's presidential election in Dili March 17, 2012. Polling stations opened in East Timor on Saturday in a presidential election seen as a key test of stability in Asia's youngest and poorest nation. REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS TRANSPORT)

East Timor's President Jose Ramos-Horta waves after casting his vote during the country's presidential election in Dili March 17, 2012. Polling stations opened in East Timor on Saturday in a presidential election seen as a key test of stability in Asia's youngest and poorest nation. REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS PROFILE)

East Timor's President Jose Ramos-Horta shows a ballot paper before casting his vote in Dili March 17, 2012. Polling stations opened in East Timor on Saturday in a presidential election seen as a key test of stability in Asia's youngest and poorest nation. REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS PROFILE TPX IMAGES OF THE DAY)

East Timor's President Jose Ramos-Horta shows off his inked finger after casting his ballot during the presidential election in Dili March 17, 2012. Nobel Peace prize laureate Ramos-Horta faces a battle on Saturday to win re-election as president of East Timor with 11 other candidates standing, several of whom also played major roles in the nation's struggle for independence from Indonesia. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS ELECTIONS)

East Timor's President Jose Ramos-Horta shows his ballot before casting it during the presidential election in Metiaut, Dili March 17, 2012. Nobel Peace prize laureate Ramos-Horta faces a battle on Saturday to win re-election as president of East Timor with 11 other candidates standing, several of whom also played major roles in the nation's struggle for independence from Indonesia. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: ELECTIONS POLITICS)

East Timor's President Jose Ramos-Horta, who bid for re-election, speaks to his supporters at a market in Ermera district March 12, 2012. East Timor's presidential election, scheduled for March 17, 2012, will be the country's third presidential election. The text in the banner, which is in Tetum, the national language for East Timor, reads, "Come vote for Ramos Horta, president for peace, president for national unity". REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS)

Children stand near posters of East Timor's President Jose Ramos-Horta during Horta's campaign for the upcoming presidential election at a stadium in Ermera district March 12, 2012. East Timor's presidential election, scheduled for March 17, 2012, will be the country's third presidential election. The text in the posters reads, "Jose Ramos-Horta, President of the Republic, Nobel Peace Award laureate". REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS)

A supporter holds a poster of East Timor's President Jose Ramos-Horta during Horta's campaign for the upcoming presidential election at a stadium in Ermera district March 12, 2012. East Timor's presidential election, scheduled for March 17, 2012, will be the country's third presidential election. The text in the poster reads, "Jose Ramos-Horta, President of the Republic, Nobel Peace Award laureate". REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS)

Men shelter themselves from the rain using a palm leaf at East Timor's President Jose Ramos-Horta's presidential election campaign at a stadium in Ermera district March 12, 2012. East Timor's presidential election, scheduled for March 17, 2012, will be the country's third presidential election. REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS)

A supporter holds a poster of East Timor's President Jose Ramos-Horta during Horta's campaign for the upcoming presidential election at a stadium in Ermera district March 12, 2012. East Timor's presidential election, scheduled for March 17, 2012, will be the country's third presidential election. The text in the poster reads, "Jose Ramos-Horta, President of the Republic, Nobel Peace Award laureate". REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS)

A supporter holds a poster of East Timor's President Jose Ramos-Horta during Horta's campaign for the upcoming presidential election at a stadium in Ermera district March 12, 2012. East Timor's presidential election, scheduled for March 17, 2012, will be the country's third presidential election. REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS)

East Timor's President Jose Ramos-Horta (C), who bid for re-election, walks with students at a school during his campaign in Ermera district March 12, 2012. East Timor's presidential election, scheduled for March 17, 2012, will be the country's third presidential election. REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS)

East Timor's President Jose Ramos-Horta (center R), who bid for re-election, walks with students at a school during his campaign in Ermera district March 12, 2012. East Timor's presidential election, scheduled for March 17, 2012, will be the country's third presidential election. REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS)

East Timor's President Jose Ramos-Horta, who bid for re-election, smiles as he is seen with his supporters at a market in Ermera district March 12, 2012. East Timor's presidential election, scheduled for March 17, 2012, will be the country's third presidential election. The text in the banner, which is in Tetum, the national language for East Timor, reads, "Come vote for Ramos Horta, president for peace, president for national unity". REUTERS/Beawiharta (EAST TIMOR - Tags: POLITICS ELECTIONS)

Supporters of East Timor's President Jose Ramos-Horta carry posters of their leader in Dili, East Timor January 31, 2012. Horta said on Tuesday he will seek a second term after thousands of his supporters urged him to stay at the helm of Asia 's poorest nation which is trying to unlock the wealth of its gas reserves. The poster reads: "President for all people, you have to continue." REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS)

East Timor's President Jose Ramos-Horta stands with his supporters in Dili, East Timor January 31, 2012. Horta said on Tuesday he will seek a second term after thousands of his supporters urged him to stay at the helm of Asia 's poorest nation which is trying to unlock the wealth of its gas reserves. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS)

Japan's Prime Minister Yoshihiko Noda waits for a meeting with East Timor's President Jose Ramos-Horta at the Prime Minister's official residence in Tokyo January 19, 2012. REUTERS/Koji Sasahara/Pool (JAPAN - Tags: POLITICS)

East Timor's President Jose Ramos-Horta (L) talks with Japan's Prime Minister Yoshihiko Noda during their meeting at the Prime Minister's official residence in Tokyo January 19, 2012. REUTERS/Koji Sasahara/Pool (JAPAN - Tags: POLITICS)

East Timor's President Jose Ramos-Horta (L) shakes hands with Japan's Prime Minister Yoshihiko Noda prior to their meeting at the Prime Minister's official residence in Tokyo January 19, 2012. REUTERS/Koji Sasahara/Pool (JAPAN - Tags: POLITICS)

Australia's Foreign Minister Kevin Rudd (L) shakes hands with East Timor's President Jose Ramos-Horta in Dili, East Timor July 10, 2011. Rudd is in East Timor for a two day visit to discuss bilateral issues between the two countries. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS)

Palestinian President Mahmoud Abbas (R) meets East Timor's President Jose Ramos Horta in the West Bank city of Ramallah February 17, 2011. REUTERS/Mohamad Torokman (WEST BANK - Tags: POLITICS)

Israel's President Shimon Peres (R) meets East Timor's President Jose Ramos-Horta at his residence in Jerusalem February 14, 2011. REUTERS/Darren Whiteside (JERUSALEM - Tags: POLITICS)

Israel's President Shimon Peres (R) shakes hands with East Timor's President Jose Ramos-Horta during their meeting at Peres' residence in Jerusalem February 14, 2011. REUTERS/Darren Whiteside (JERUSALEM - Tags: POLITICS)

East Timor's President Jose Ramos-Horta stands next to Eva Lutkiewicz, a guide at Yad Vashem, as he looks at pictures of Jews killed in the Holocaust during a visit to the Hall of Names at Yad Vashem's Holocaust History Museum in Jerusalem February 13, 2011. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS OBITUARY)

East Timor's President Jose Ramos-Horta (C) lays a wreath during a ceremony in the Hall of Remembrance at the Yad Vashem Holocaust memorial in Jerusalem February 13, 2011. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS)

East Timor's President Jose Ramos-Horta rekindles the eternal flame, commemorating the six million Jews killed by the Nazis in the Holocaust, during a ceremony in the Hall of Remembrance at the Yad Vashem Holocaust memorial in Jerusalem February 13, 2011. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS)

East Timor's President Jose Ramos Horta and Chinese Premier Wen Jiabao (top) attend the opening ceremony of the third Ministerial Conference of the Forum for Economic and Trade Cooperation between China and Portuguese-speaking Countries in Macau November 13, 2010. REUTERS/Tyrone Siu (CHINA - Tags: POLITICS)

East Timor's President Jose Ramos Horta (L-R), Chinese Premier Wen Jiabao and Portugal's Prime Minister Jose Socrates attend the opening ceremony of the third Ministerial Conference of the Forum for Economic and Trade Cooperation between China and Portuguese-speaking Countries in Macau November 13, 2010. REUTERS/Tyrone Siu (CHINA - Tags: POLITICS)

East Timor's President Jose Ramos Horta (L-R), Chinese Premier Wen Jiabao and Portugal's Prime Minister Jose Socrates attend the opening ceremony of the third Ministerial Conference of the Forum for Economic and Trade Cooperation between China and Portuguese-speaking Countries in Macau November 13, 2010. REUTERS/Tyrone Siu (CHINA - Tags: POLITICS)

Austrian President Heinz Fischer (R) welcomes East Timor's President Jose Ramos-Horta in his office in the historic Hofburg Palace in Vienna November 3, 2010. REUTERS/Leonhard Foeger (AUSTRIA - Tags: POLITICS)

Austrian President Heinz Fischer (R) welcomes East Timor's President Jose Ramos-Horta in his office in the historic Hofburg Palace in Vienna November 3, 2010. REUTERS/Leonhard Foeger (AUSTRIA - Tags: POLITICS)

Austrian President Heinz Fischer (R) talks to East Timor's President Jose Ramos-Horta as they walk to his office in the historic Hofburg Palace in Vienna November 3, 2010. REUTERS/Leonhard Foeger (AUSTRIA - Tags: POLITICS)

East Timor's President Jose Ramos-Horta addresses the 65th session of the United Nations General Assembly at the U.N. headquarters, in New York, September 25, 2010. REUTERS/Chip East (UNITED STATES - Tags: POLITICS)

East Timor's President Jose Ramos-Horta addresses the 65th session of the United Nations General Assembly at the U.N. headquarters, in New York, September 25, 2010. REUTERS/Chip East (UNITED STATES - Tags: POLITICS)

East Timor's President Jose Ramos-Horta addresses the 65th session of the United Nations General Assembly at the U.N. headquarters, in New York, September 25, 2010. REUTERS/Chip East (UNITED STATES - Tags: POLITICS)

East Timor's President Jose Ramos-Horta addresses the 65th session of the United Nations General Assembly at the U.N. headquarters, in New York, September 25, 2010. REUTERS/Chip East (UNITED STATES - Tags: POLITICS)

East Timor's President Jose Ramos Horta speaks during the Millennium Development Goals Summit at the United Nations headquarters in New York September 20, 2010. REUTERS/Chip East (UNITED STATES - Tags: POLITICS)

East Timor's President Jose Ramos Horta talks to journalists during a news conference at the presidential office in Dili July 8, 2010. Horta said he needed more details of Australian Prime Minister Julia Gillard's proposal to send asylum seekers to his country. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: POLITICS HEADSHOT)

East Timor's President Jose Ramos-Horta (R) shakes hands with Governor of New South Wales Marie Bashir at Government House in Sydney June 25, 2010. REUTERS/Brendon Thorne/Pool (AUSTRALIA - Tags: POLITICS)

East Timor's President Jose Ramos-Horta (4th L) speaks with Governor of New South Wales Marie Bashir (3rd R) at Government House in Sydney June 25, 2010. REUTERS/Brendon Thorne/Pool (AUSTRALIA - Tags: POLITICS)

East Timor's President Jose Ramos-Horta smiles at Government House in Sydney June 25, 2010. REUTERS/Brendon Thorne/Pool (AUSTRALIA - Tags: POLITICS HEADSHOT)

East Timor's President Jose Ramos-Horta (L) signs the visitor book as Governor of New South Wales Marie Bashir looks on at Government House in Sydney June 25, 2010. REUTERS/Brendon Thorne/Pool (AUSTRALIA)

East Timor President Jose Ramos-Horta (L) arrives to meet with Australia's Prime Minister Kevin Rudd (R) in Canberra June 23, 2010. East Timor President Jose Ramos-Horta said on Wednesday he was confident key stakeholders in the disputed Sunrise liquefied natural gas (LNG) project could reach an agreement on how to develop the massive gas field. REUTERS/Alan Porritt/Pool (AUSTRALIA - Tags: ENERGY POLITICS)

East Timor President Jose Ramos-Horta (R) shakes hands with Australia's Prime Minister Kevin Rudd in Canberra June 23, 2010. East Timor President Jose Ramos-Horta said on Wednesday he was confident key stakeholders in the disputed Sunrise liquefied natural gas (LNG) project could reach an agreement on how to develop the massive gas field. REUTERS/Alan Porritt/Pool (AUSTRALIA - Tags: ENERGY POLITICS)

East Timor President Jose Ramos-Horta (L) speaks to Australia's Prime Minister Kevin Rudd in Canberra June 23, 2010. Ramos-Horta said on Wednesday he was confident key stakeholders in the disputed Sunrise liquefied natural gas (LNG) project could reach an agreement on how to develop the massive gas field. REUTERS/Alan Porritt/Pool (AUSTRALIA - Tags: ENERGY POLITICS)

Benefica's Nuno Gomes (R) and president of the club Luis Filipe Vieira (L), both of Portugal, meet East Timor President Jose Ramos Horta in Dili May 15, 2010. Gomes is in East Timor for a three-day visit. REUTERS/Lirio Da Fonseca (EAST TIMOR - Tags: SPORT SOCCER POLITICS)

Vietnam's President Nguyen Minh Triet (R) poses for a photo with East Timor's President Jose Ramos Horta in front of a statue of the Vietnamese revolutionary leader Ho Chi Minh at the presidential palace in Hanoi April 26, 2010. REUTERS/Kham (VIETNAM - Tags: POLITICS)