Philippine Coast Guard claims Chinese boats 'dumped crushed corals while building artificial islands in disputed waters'

Biologists discover degraded corals amid 'China's artificial island building activities in disputed waters'

Philippine military finds 'severely damaged reefs caused by Chinese harvesting' in disputed waters

Experts voice concern over Thailand oil spill that may 'sterilise' corals off country's eastern coast

Dozens of snorkelers clamour for views of turtle off Thai island

Twenty tourists and guide arrested after damaging corals during 'sea walking' trip