FILE - In this Jan. 7, 2016 file photo, Philippine Foreign Secretary Albert del Rosario greets British Foreign Secretary Philip Hammond prior to their bilateral meeting at the Department of Foreign ... more 
FILE - In this Jan. 7, 2016 file photo, Philippine Foreign Secretary Albert del Rosario greets British Foreign Secretary Philip Hammond prior to their bilateral meeting at the Department of Foreign Affairs in suburban Pasay city, south of Manila, Philippines. The Philippines' top diplomat, who was behind a bold government move to challenge the validity of China's vast territorial claims in the South China Sea at an international tribunal, has resigned due to health reasons, officials said Monday, Feb. 8. President Benigno Aquino III has accepted del Rosario's resignation, which will take effect on March 7, presidential spokesman Herminio Coloma Jr. said. (AP Photo/Bullit Marquez, File) less 
1 / 30
Associated Press | Photo By Bullit Marquez, File
Mon, Feb 8, 2016 8:03 AM EST