Japanese air intrusion on joint exercise 'dangerous'

The intrusion of two Japanese reconnaissance aircraft into a China-Russia joint navy exercise is against international law and can make the already volatile relations between China and Japan more complicated, analysts said.

China and Russia conducted a weeklong naval exercise in the East China Sea, which officially concludes on Monday, and issued no-fly notices days before the exercise.

However, a Japanese OP-3C surveillance plane and a YS-11EB electronic intelligence aircraft intruded into the airspace of China's East China Sea Air Defense Identification Zone on Saturday morning where the exercise was being held.

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