Japan on Wednesday lodged a protest with China through a diplomatic channel after four Chinese coast guard ships were spotted entering Japanese territorial waters around the Senkaku Islands in the East China Sea, calling the incident "unacceptable."Chief Cabinet Secretary Yoshimasa Hayashi said the latest intrusion is "a violation of the international law," vowing to respond resolutely to such Chinse actions to defend Japanese territorial waters and airspace.The Senkaku Islands, administered by Japan but claimed by China, remain a source of friction between the Asian neighbors.The four Chin…READ FULL ARTICLE