The USS Theodore Roosevelt leads US and Singapore navy ships in the South China Sea on April 6. The US carrier is due to be deployed with the US 7th Fleet area for maritime security operations. A training exercise on April 10 came ahead of a port call in the Philippines, one of several nations which disputes Beijing's claim to the strategic waters. Photo: AFP/ US Navy/ Anthony J Rivera

April 12, 2018 1:39 PM (UTC+8)