Undated handout photo released by the Kayalaan Municipal office in 2011 shows Kalayaan island in the Spratlys, a chain of islets in the South China Sea. The Philippines has deployed 800 more Marines ... more 

Undated handout photo released by the Kayalaan Municipal office in 2011 shows Kalayaan island in the Spratlys, a chain of islets in the South China Sea. The Philippines has deployed 800 more Marines and opened a new headquarters to guard its interests in the disputed Spratly islands, which China also claims, a senior military official said Sunday less