China criticises Covid travel restrictions and warns of retaliation

China has suggested that travel restrictions imposed by several countries on Chinese arrivals are politically motivated - and has warned that it may retaliate.

The US, India and the UK are among the nations that have introduced mandatory testing for arrivals from China.

The country has recently seen a surge in Covid cases following the easing of its strict controls.

And there are fears that cases and deaths there are being vastly underreported.

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