According to the China Maritime Administration website, the Sanya Maritime Administration issued a navigation warning. From 4 a.m. to 14 p.m. on December 19, military exercises will be conducted in parts of the South China Sea, and sailing is prohibited.

According to the China Maritime Administration website, the Sanya Maritime Administration issued a navigation warning. From 4 a.m. to 14 p.m. on December 19, military exercises will be conducted in parts of the South China Sea, and sailing is prohibited.