The US spy planes frequent China's coastline

A US media report that said the Pentagon recently claimed that a "Chinese fighter jet conducted a "dangerous intercept' of a US plane" has stirred up broad concerns in both countries.

In response, Yang Yujun, spokesperson of China's Ministry of Defense said large-scale and frequent close-in reconnaissance missions launched by the United States jeopardize the maritime and aerial security of both countries, adding they are a potential cause of accidents.

The United States stepped up surveillance of China's coastline following the end of the Cold War in the 1990s. The US spying activities covered the Yellow Sea, the East China Sea and the South China Sea.

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