Tallinn has stopped issuing tourist visas to Chinese nationals, according to the Estonian public broadcaster ERR.
Tallinn is also evacuating its diplomats' families back to Estonia.
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"We are also reducing those aspects of the embassy's functions which do not provide consular assistance to Estonian nationals," the country's Foreign Minister Urmas Reinsalu told ERR.
"We have also forwarded a warning to Estonian tourism firms," Reinsalu said, adding that China is also not permitting tourist groups to leave the country.
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