The United States is discussing the possible deployment of more missile launchers to the Philippines to strengthen deterrence against aggression in the disputed South China Sea and other security hotspots,

Footage shows a Chinese coast guard vessel chasing a Philippine boat and then ramming a Chinese warship. It was the latest confrontation in the contested waters.

China and the Philippines are trading blame over an incident earlier this week in which two Chinese ships collided in the South China Sea, where both nations have competing territorial claims.