China's coast guard has conducted new patrols around the contested Scarborough Shoal in the South China Sea. The activity comes a day after Beijing carried out joint air and sea drills in the same area as tensions with the Philippines show no signs of easing.

China has held sea and air combat drills at disputed Scarborough Shoal, an uninhabited area of reefs and rocks it had seized from the Philippines in the South China Sea.

The Philippines' foreign ministry summoned the Chinese ambassador on Wednesday, November 13, to protest against Beijing's establishment of baseline coordinates around the disputed Scarborough Shoal in the South China Sea,