Remote island ramps up defenses as tensions rise between Japan and China

On most days, Japanese fisherman Kazushi Kinjo leaves port on the Japanese island of Yonaguni to catch deep sea red snapper in waters to the north. There, fish are plentiful -- and increasingly, so are Chinese Coast Guard ships.

There, fish are plentiful -- and increasingly, so are Chinese Coast Guard ships.

Chinese ships patrol the sea around the Japanese-controlled Senkaku islands, an uninhabited island chain also claimed by China and Taiwan, near where Kinjo lives. The islands, which are known in China as the Diaoyu Islands and Diaoyutai in Taiwan, have become one of the focus points of increasing tensions in the region.