US President Donald Trump (R) speaks during a bilateral meeting with Philippine President Rodrigo Duterte on the sidelines of the 31st Association of Southeast Asian Nations (ASEAN) Summit and Related Meetings at the Philippine International Convention Center in Manila on November 13, 2017. -- AFP/POOL

US President Donald Trump registers his surprise as he realizes other leaders, including Russia's Prime Minister Dmitry Medvedev, Vietnam's President Tran Dai Quang, President of the Philippines Rodrigo Duterte and Australia's Prime Minister Malcolm Turnbull, are crossing their arms for the traditional "ASEAN handshake" as he participates in the opening ceremony of the ASEAN Summit in Manila, Philippines November 13, 2017. -- REUTERS

Police hose down protesters as they try to march to the venue of the Association of Southeast Asian Nations (ASEAN) Summit in Manila on Nov. 13, where US President Donald J. Trump is attending. Rights groups have called on Mr. Trump to speak out over Mr. Duterte’s drugs war, which has seen police and suspected vigilantes kill thousands of...

A protester shouts slogans during a protest against U.S. President Donald Trump's visit at the Philippine International Convention Center, venue of the upcoming 31st Association of Southeast Asian Nations (ASEAN) Summit in Manila on November 11, 2017. -- REUTERS

Philippine riot-policewomen stand guard during a protest against US President Donald Trump ahead of the 31st Association of Southeast Asian Nations (ASEAN) Summit in Manila on November 11, 2017. / AFP