China's patrol boat 2502 sails into waters near the disputed islands in the East China Sea. Photo: AFP
China's patrol boat 2502 sails into waters near the disputed islands in the East China Sea. Photo: AFP

Japan protests as Chinese ships sail near disputed Diaoyu isles

Tokyo lodges complaint with foreign ministry over coastguard vessels’ patrol

China's patrol boat 2502 sails into waters near the disputed islands in the East China Sea. Photo: AFP
China's patrol boat 2502 sails into waters near the disputed islands in the East China Sea. Photo: AFP
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