The southeast Asian nation has also banned the sale of alcohol in areas reporting a high number of coronavirus cases.

So far, Phuket and Bangkok have been left out of any strict containment measures.

Overseas visitors, who are holding valid visas for quarantine exemption, are allowed to enter the country, said a Government spokesperson.

Travellers who have received approval under Thailand's Test & Go programme are also allowed to enter the nation for an approved period of time.

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