Two Chinese surveillance ships near the Scarborough Shoal on 10 April
Media playback is unsupported on your device
Video

Oil and gas reserves feed South China Sea tensions

Tensions have been rising between China and the Philippines over a territorial dispute in the South China Sea.

Chinese state media has warned the Philippines that military conflict is possible over a stand-off at a disputed reef, the Scarborough Shoal, off the Philippine coast.

The region is believed to be rich in oil and gas, as Tony Regan from the consultancy Tri-Zen International in Singapore explains.