China says its forces have begun live-fire exercises in the Gulf of Tonkin only days after Vietnam announced a new line marking what it considers its territory in the body of water between the countries.

China launched live-fire exercises in the Gulf of Tonkin after Vietnam marked new maritime boundaries, escalating tensions over territorial disputes

China’s Military Exercises Raise Alarms China has announced a four-day live-fire military exercise in the Gulf of Tonkin, warning ships to stay away from the designated zone. The drills, which will involve real ammunition,

The Vietnamese Government issued on Friday a declaration establishing the baseline for measuring the breadth of Vietnam's territorial waters in the Gulf of Tonkin.