The Philippines and China are in an ongoing dispute over competing territorial and maritime claims in the South China Sea. A recent incident at Scarborough Shoal has added to tensions. WSJ’s Niharika Mandhana explains. Further Reading and Watching: -China Coast Guard Ship Collides With Philippine Boat in South China Sea  -How a Tiny Crew Struck a Blow Against China With a Wooden Boat and a Knife  -Philippines Removes Chinese Floating Barrier in South China Sea  Learn more about your ad choices. Visit megaphone.fm/adchoices