Chinese vessels detected amid US-Philippines drills

The U.S. and the Philippines have launched their largest combat exercises, Balikatan drills in the South China Sea. For the first time, the drills will extend beyond 12 nautical miles off the Philippines coast and into the waters claimed by China. The military exercises come amid escalating maritime tensions between the Philippines and China. As Balikatan drills began, dozens of Chinese vessels were detected in the contested waters in the South China Sea, So, what is the maritime dispute between Manila and Beijing? We deep dive and tell you all about China's aggression in the region on WION Wideangle