Philippines Foreign Affairs Secretary Perfecto Yasay speaks during a news conference at the Department of Foreign Affairs in Pasay city Metro Manila, Philippines July 27, 2016. REUTERS/Erik De Castro

Philippines Foreign Affairs Secretary Perfecto Yasay speaks during a news conference at the Department of Foreign Affairs in Pasay city Metro Manila, Philippines July 27, 2016. REUTERS/Erik De Castro

Philippines Foreign Affairs Secretary Perfecto Yasay speaks during a news conference at the Department of Foreign Affairs in Pasay city Metro Manila, Philippines July 27, 2016. REUTERS/Erik De Castro

August 11, 2016 4:45 AM (UTC+8)