A US aircraft carrier strike group is patrolling in the South China Sea, the US Navy said Saturday, days after Beijing told Washington not to challenge its sovereignty in the waterway. China asserts ownership of almost all of the resource-rich waters despite rival claims from several Southeast Asian countries. It has rapidly built reefs into artificial islands capable of hosting military planes.

US reacts to China dare sends warships. (2017, February 20). Manila Standard, p. A1.