Philippine Navy sends its biggest warship to Spratlys

VietNamNet, 18 Jun 2011
The deployment of the Humabon came after China dispatched its largest maritime patrol ship into the area in a move likely to raise tensions with neighbors staking rival claims to waters believed to hold vast reserves of oil and gas.
Chinese state media reports yesterday said the Haixun-31 left Wednesday and will stay in Singapore for two weeks of exchanges on search and rescue, anti-piracy and port management operations.
The ship is passing the Paracel and Spratly island groups at the heart of disputes with Vietnam, the Philippines and other nation claimants around the region. Full story