evidence: Three Chinese ships patrolled the James Shoal, that is also claimed by Malaysia, as soldiers and officers on board swore to safeguard its sovereignty, in the latest sign of Beijing's territorial assertiveness in the South China Sea, Reuters reported today. [...] James Shoal is located about 80km from Sarawak, however, Beijing regards it as the southernmost part of the country's territory. [...] "During the ceremony held in the Zengmu Reef area, soldiers and officers aboard swore an oath of determination to safeguard the country's sovereignty and maritime interests," Xinhua said. Zengmu Reef is the Chinese term for James Shoal.