The government on Friday urged caution after a small Japanese civilian plane was spotted near uninhabited islets in the East China Sea, around the same time a Chinese helicopter violated Japanese airspace in the vicinity last week.While Japanese aircraft operating in the country's airspace pose no legal issue, Chief Cabinet Secretary Yoshimasa Hayashi said contingencies stemming from such flights should be avoided amid tensions with China over the Senkaku Islands.The Senkakus are administered by Japan but claimed by China. Tokyo has already lodged a protest with Beijing over Saturday's airs…READ FULL ARTICLE