The Philippines pushed back by unfurling its own flag at disputed Sandy Cay, condemning China's "illegal presence."

China and the Philippines each raised flags on Sandy Cay days apart, asserting rival claims. Analysts say Beijing aimed to show strength at home amid growing external pressure.

BEIJING — China says six Filipinos landed on a tiny outcropping that both countries claim in the South China Sea , days after photos emerged of Chinese coast guard officers displaying a Chinese flag on the same group of sandbars.