New Delhi, Nov. 25 -- The Ministry of External Affairs (MEA) on Tuesday said that the detention of an Indian citizen in China has been taken up at the highest level with the Chinese authorities, flagging it as a violation of international norms governing air travel.

The MEA statement said, "The issue of the detention has been taken up strongly with the Chinese side. Chinese authorities have still not been able to explain their actions, which are in violation of several conventions governing international air travel. The actions by the Chinese authorities also violate their own regulations that allow visa-free transit up to 24 hours for nationals of all countries."

The MEA said that these acts by China violate their own regulations of vi...