Former Philippine President Benigno "Noynoy" Aquino speaks to reporters during the 34th anniversary of the assassination of his father Benigno Aquino at Manila Memorial Park in Paranaque city, Metro Manila, Philippines August 21, 2017. Picture taken August 21, 2017. REUTERS/Erik De Castro 

Former Philippine President Benigno "Noynoy" Aquino, speaks to reporters during the 34th anniversary of the assassination of his father Benigno Aquino at Manila Memorial Park in Paranaque city, Metro Manila, Philippines August 21, 2017. Picture taken August 21, 2017. REUTERS/Erik De Castro 

Former Philippine President Benigno "Noynoy" Aquino speaks to supporters during the 34th anniversary of the assassination of his father Benigno Aquino at Manila Memorial Park in Paranaque city, Metro Manila, Philippines August 21, 2017. Picture taken August 21, 2017. REUTERS/Erik De Castro 

Philippines' President Benigno Aquino salutes during a military parade a few days before he leaves office for incoming President-elect Rodrigo Duterte at the military's main Camp Aguinaldo in Quezon city, Metro Manila, Philippines June 27, 2016. REUTERS/Erik De Castro 

Philippines' President Benigno Aquino salutes during a military parade a few days before he leaves office for incoming President-elect Rodrigo Duterte at the military's main Camp Aguinaldo in Quezon city, Metro Manila, Philippines June 27, 2016. REUTERS/Erik De Castro 

Philippines' President Benigno Aquino speaks during a military parade to honour him, a few days before he leaves office for incoming President-elect Rodrigo Duterte at the military's main Camp Aguinaldo in Quezon city, Metro Manila, Philippines June 27, 2016. REUTERS/Erik De Castro 

Philippines' President Benigno Aquino salutes during a military parade to honour him, a few days before he leaves office for incoming President-elect Rodrigo Duterte at the military's main Camp Aguinaldo in Quezon city, Metro Manila, Philippines June 27, 2016. REUTERS/Erik De Castro 

President of the Philippines Benigno Aquino (R) greets visiting U.S. Defense Secretary Ash Carter at the presidential palace in Manila April 14, 2016. REUTERS/Romeo Ranoco 

President of the Philippines Benigno Aquino (R) greets visiting U.S. Defense Secretary Ash Carter at the presidential palace in Manila April 14, 2016. REUTERS/Romeo Ranoco 

President of the Philippines Benigno Aquino (R) holds talks with visiting U.S. Defense Secretary Ash Carter at the presidential palace in Manila April 14, 2016. REUTERS/Romeo Ranoco 

President of the Philippines Benigno Aquino (R) holds talks with visiting U.S. Defense Secretary Ash Carter at the presidential palace in Manila April 14, 2016. REUTERS/Romeo Ranoco 

Philippine President Benigno Aquino (C) leads a celebration of the 30th anniversary of the EDSA People Power Revolution that toppled late President Ferdinand Marcos, in Quezon City, Metro Manila February 25, 2016. REUTERS/Erik De Castro 

Philippine President Benigno Aquino (R) makes a "Laban" (Fight) sign next to former President Fidel Ramos at the People Power Monument during a celebration of the 30th anniversary of the EDSA People Power Revolution that toppled late President Ferdinand Marcos, in Quezon City, Metro Manila February 25, 2016. REUTERS/Erik De Castro 

Philippine President Benigno Aquino, former President Fidel Ramos, other government officials (on stage) and people sing "Bayan Ko" (My Country) during a celebration of the 30th anniversary of the EDSA People Power Revolution that toppled late president Ferdinand Marcos, at the People Power Monument in Quezon City, Metro Manila February 25, 2016. REUTERS/Erik De Castro 

Confetti rains down as former Philippine President Fidel Ramos (front row, 4th R) leads a march with military officials and soldiers, during a celebration of the 30th anniversary of the EDSA People Power Revolution that toppled late President Ferdinand Marcos, in Quezon City, Metro Manila February 25, 2016. REUTERS/Erik De Castro 

Philippine President Benigno Aquino (R) makes the "Laban" (Fight) gesture with former president Fidel Ramos (C) and Quezon city Mayor Feliciano Belmonte as they sing "Bayan Ko" (My Country) during a celebration of the 30th anniversary of the EDSA People Power Revolution that toppled late president Ferdinand Marcos, in Quezon City, Metro Manila February 25, 2016. 

U.S. President Barack Obama shakes hands with Thailand Prime Minister Prayuth Chan-ocha after a group photo at the 10-nation Association of Southeast Asian Nations (ASEAN) summit at Sunnylands in Rancho Mirage, California February 16, 2016. In between are Philippine President Benigno Aquino (2nd L) and Singapore Prime Minister Lee Hsien Loong. REUTERS/Kevin Lamarque

U.S. President Barack Obama hosts a meeting with leaders from the Association of Southeast Asian Nations (ASEAN) during a summit held at Sunnylands in Rancho Mirage, California February 16, 2016. From left are Thailand Prime Minister Prayuth Chan-ocha, Singapore Prime Minister Lee Hsien Loong, Obama, Philippine President Benigno Aquino and Malaysia Prime Minister Najib Razak. REUTERS/Kevin Lamarque

U.S. President Barack Obama hosts a meeting with leaders from the Association of Southeast Asian Nations (ASEAN) during a summit held at Sunnylands in Rancho Mirage, California February 16, 2016. From left are Thailand Prime Minister Prayuth Chan-ocha, Singapore Prime Minister Lee Hsien Loong, Obama, Philippine President Benigno Aquino and Malaysia Prime Minister Najib Razak. REUTERS/Kevin Lamarque

U.S. President Barack Obama hosts a meeting with leaders from the Association of Southeast Asian Nations (ASEAN) during a summit held at Sunnylands in Rancho Mirage, California February 16, 2016. REUTERS/Kevin Lamarque

U.S. President Barack Obama hosts a meeting with leaders from the Association of Southeast Asian Nations (ASEAN) during a summit held at Sunnylands in Rancho Mirage, California February 16, 2016. REUTERS/Kevin Lamarque

U.S. President Barack Obama hosts a meeting with leaders from the Association of Southeast Asian Nations (ASEAN) during a summit held at Sunnylands in Rancho Mirage, California February 16, 2016. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY

U.N. Secretary General Ban Ki Moon (L-R), Philippines President Benigno Aquino, Myanmar President Thein Sein, Japanese Prime Minister Shinzo Abe, Indonesian President Joko Widodo, Indian Prime Minister Narendra Modi, Cambodian Prime Minister Hun Sen, Australian Prime Minister Malcolm Turnbull, Laos Prime Minister Thongsing Thammavong, Chinese Premier Li Keqiang, Malaysian Prime Minister Najib Razak, Sultan of Brunei Hassanal Bolkiah, Vietnamese Prime Minister Nguyen Tan Dung, Russian Prime Minister Dmitry Medvedev, Thailand Prime Minister Prayuth Chan-ocha, South Korean President Park Geun-hye, Singapore Prime Minister Lee Hsien Loong and New Zealand Prime Minister John Key stand for a family photo before their East Asia Summit (EAS) meeting in Kuala Lumpur, Malaysia November 22, 2015. REUTERS/Jonathan Ernst 

U.N. Secretary General Ban Ki Moon, Philippines President Benigno Aquino, Myanmar President Thein Sein, Japanese Prime Minister Shinzo Abe, Indonesian President Joko Widodo, Indian Prime Minister Narendra Modi, Cambodian Prime Minister Hun Sen, Australian Prime Minister Malcolm Turnbull, Laos Prime Minister Thongsing Thammavong, Chinese Premier Li Keqiang, Malaysian Prime Minister Najib Razak, Sultan of Brunei Hassanal Bolkiah, Vietnamese Prime Minister Nguyen Tan Dung, Russian Prime Minister Dmitry Medvedev, Thailand Prime Minister Prayuth Chan-ocha, South Korean President Park Geun-hye, Singapore Prime Minister Lee Hsien Loong and New Zealand Prime Minister John Key stand for a family photo before their East Asia Summit (EAS) meeting in Kuala Lumpur, Malaysia November 22, 2015. REUTERS/Jonathan Ernst 

Sultan of Brunei Hassanal Bolkiah (C) and Philippines President Benigno Aquino (2nd R) arrive to participate in the APEC Summit retreat session on regional economic integration in Manila, Philippines, November 19, 2015. REUTERS/Jonathan Ernst 

Philippine President Benigno Aquino (R) shakes hands with Japanese Prime Minister Shinzo Abe before a family photo and a gala dinner for the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. REUTERS/Erik De Castro 

Philippine President Benigno Aquino (2nd R) and Singapore's Prime Minister Lee Hsien Loong (2nd L) gesture together before a family photo and a gala dinner for the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. Lee's wife Ho Ching (L) and Aquino's sister Maria Elena Aquino Cruz (R) is also seen attending the event. REUTERS/Erik De Castro 

Philippine President Benigno Aquino (R) shakes hands with Mexican President Enrique Pena Nieto before a family photo and a gala dinner for the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. REUTERS/Erik De Castro 

Philippine President Benigno Aquino makes a toast during a welcome dinner of the Asia-Pacific Economic Cooperation (APEC) summit at the Mall of Asia Arena in the capital city of Manila, Philippines, November 18, 2015. REUTERS/Noel Celis/Pool 

U.S. President Barack Obama (3rd R) waves with leaders and their spouses during a family photo at the Asia-Pacific Economic Cooperation (APEC) summit in Manila, November 18, 2015. REUTERS/Wally Santana/Pool 

Canadian Prime Minister Justin Trudeau (L) and Philippine President Benigno Aquino wear a Filipino traditional garment called "Barong" as they pose for a picture before a family photo and a gala dinner of the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. REUTERS/Erik De Castro 

Canadian Prime Minister Justin Trudeau (L) greets Philippine President Benigno Aquino before a family photo and a gala dinner for the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. REUTERS/Erik De Castro 

U.S. President Barack Obama (L) shakes hands with Philippine President Benigno Aquino before a family photo and a gala dinner for the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. At right is Aquino's sister Maria Elena Aquino Cruz. REUTERS/Erik De Castro 

U.S. President Barack Obama, who is also wearing a traditional Philippine "barong" shirt, shakes hands with Philippine President Benigno Aquino before a family photo and a gala dinner of the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. REUTERS/Erik De Castro 

Philippine President Benigno Aquino (C) gestures beside Chinese President Xi Jinping (L) before a family photo and a gala dinner for the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. At right is Aquino's sister Maria Elena Aquino Cruz. REUTERS/Erik De Castro 

Philippine President Benigno Aquino shakes hands with Chinese President Xi Jinping (L) before a family photo and a gala dinner for the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. At right is Aquino's sister Maria Elena Aquino Cruz. REUTERS/Erik De Castro 

Philippine President Benigno Aquino shakes hands with Chinese President Xi Jinping (L) before a family photo and a gala dinner of the Asia-Pacific Economic Cooperation (APEC) leaders and their spouses in Manila, November 18, 2015. REUTERS/Erik De Castro 

Philippines' President Benigno Aquino delivers remarks at a welcome dinner with fellow world leaders at the Asia-Pacific Economic Cooperation (APEC) Summit in Manila, Philippines, November 18, 2015. REUTERS/Jonathan Ernst 

Chinese President Xi Jinping (L) and Philippine President Benigno Aquino listen during a APEC Business Advisory Council (ABAC) dialogue at the Asia-Pacific Economic Cooperation (APEC) summit in Manila, Philippines November 18, 2015. REUTERS/Wally Santana/Pool 

Philippine President Benigno Aquino (3rd L) poses with APEC Business Advisory Council (ABAC) members at a gathering ahead of the official welcome for Asia-Pacific Economic Cooperation (APEC) leaders in Manila November 18, 2015. REUTERS/Philippe Lopez/Pool 

Philippine President Benigno Aquino (2nd L) speaks with APEC Business Advisory Council (ABAC) members at a gathering ahead of the official welcome for Asia-Pacific Economic Cooperation (APEC) leaders in Manila November 18, 2015. REUTERS/Philippe Lopez/Pool 

Philippine President Benigno Aquino (2nd L) poses with APEC Business Advisory Council (ABAC) members at a gathering ahead of the official welcome for Asia-Pacific Economic Cooperation (APEC) leaders in Manila November 18, 2015. REUTERS/Philippe Lopez/Pool 

Philippine President Benigno Aquino (C) meets with APEC Business Advisory Council (ABAC) members at a gathering ahead of the official welcome for Asia-Pacific Economic Cooperation (APEC) leaders in Manila November 18, 2015. REUTERS/Philippe Lopez/Pool 

Philippine President Benigno Aquino (C) is joined by other leaders and representatives of the APEC Business Advisory Council (ABAC) for a group photo, ahead of the official welcome for Asia-Pacific Economic Cooperation (APEC) leaders in Manila November 18, 2015. REUTERS/Philippe Lopez/Pool 

Philippine President Benigno Aquino (C) is joined by other leaders and representatives of the APEC Business Advisory Council (ABAC) for a group photo, ahead of the official welcome for Asia-Pacific Economic Cooperation (APEC) leaders in Manila November 18, 2015. REUTERS/Philippe Lopez/Pool 

Philippine President Benigno Aquino (front L) is joined by other leaders and representatives of the APEC Business Advisory Council (ABAC) for a group photo, ahead of the official welcome for Asia-Pacific Economic Cooperation (APEC) leaders in Manila November 18, 2015. REUTERS/Philippe Lopez/Pool 

U.S. President Barack Obama (L) and Philippines President Benigno Aquino speak to reporters after their meeting alongside the APEC summit in Manila, Philippines, November 18, 2015. REUTERS/Jonathan Ernst 

Philippines President Benigno Aquino delivers remarks to the media after meeting with U.S. President Barack Obama alongside the APEC summit in Manila, Philippines, November 18, 2015. REUTERS/Jonathan Ernst 

Philippines President Benigno Aquino delivers remarks to the media after meeting with U.S. President Barack Obama alongside the APEC summit in Manila, Philippines, November 18, 2015. REUTERS/Jonathan Ernst 

Philippine's President Benigno Aquino (C) and U.S. President Barack Obama (R) arrive for a news conference after their meeting alongside the APEC summit in Manila, Philippines, November 18, 2015. REUTERS/Jonathan Ernst 

Philippine's President Benigno Aquino (L) and U.S. President Barack Obama (R) arrive for a news conference after their meeting alongside the APEC summit in Manila, Philippines, November 18, 2015. REUTERS/Jonathan Ernst 

Philippine President Benigno Aquino (front R) talks to Secretary of Trade and Industry Gregory Domingo during the opening of the 23rd Pacific Economic Cooperation Council (PECC) at a hotel in Manila September 11, 2015. At left is Jusuf Wanandi, co-chairman of PECC. REUTERS/Romeo Ranoco

Philippine President Benigno Aquino (L) delivers his speech during the opening of the 23rd Pacific Economic Cooperation Council (PECC) at a hotel in Manila September 11, 2015. From R-L: PECC Co-Chairman Donald Campbell, PECC Chairman and ambassador Antonio Basilio, Philippine Secretary of Trade and Industry Gregory Domingo and PECC Co-Chairman Jusuf Wanandi. REUTERS/Romeo Ranoco

Youth activists, denouncing the upcoming Asia-Pacific Economic Cooperation (APEC) meetings, hold placards and papers with images of the APEC logo, U.S. President Barack Obama and Philippines' President Benigno Aquino (L) at a protest outside the presidential palace in Manila September 7, 2015. The APEC meetings will be held in Manila during November. REUTERS/Romeo Ranoco 

Philippines' President Benigno Aquino stands at attention after laying a wreath in front of the Tomb of the Unknown Soldier during National Heroes' Day at a military cemetery in Taguig city, metro Manila August 31, 2015. REUTERS/Romeo Ranoco 

Philippines' President Benigno Aquino lays a wreath in front of the Tomb of the Unknown Soldier during National Heroes' Day at a military cemetery in Taguig city, metro Manila August 31, 2015. REUTERS/Romeo Ranoco 

Philippine President Benigno Aquino (L) smiles as Thai First Lady Naraporn Chan-ocha (R) reacts while watching a Bamboo orchestra, during a welcoming ceremony for visiting Thai Prime Minister General Prayuth Chan-ocha (not pictured) outside the Malacanang presidential palace in Manila August 28, 2015. With them is Aquino's sister Ballsy (C). REUTERS/Erik De Castro 

Philippine President Benigno Aquino (L) and visiting Thai Prime Minister General Prayuth Chan-ocha review troops during a welcoming ceremony for Prayuth outside the Malacanang presidential palace for bilateral talks in Manila August 28, 2015. REUTERS/Erik De Castro 

Philippine President Benigno Aquino (R) and visiting Thai Prime Minister General Prayuth Chan-ocha gesture together as they walk towards the Malacanang presidential palace for bilateral talks in Manila August 28, 2015. REUTERS/Erik De Castro 

Philippine President Benigno Aquino (R) and visiting Thai Prime Minister General Prayuth Chan-ocha stand at attention during the singing of the Philippine national anthem outside the Malacanang presidential palace in Manila August 28, 2015. REUTERS/Erik De Castro