India, July 25 -- The US State Department has issued an advisory for its citizen, asking them to avoid travelling to areas within 50 kilometres of the Thailand-Cambodia border.

The advisory comes as the Thai-Cambodian border tensions quickly escalated on Wednesday.

Noting that the Royal Thai Government has ordered a full shutdown of the border crossings in both Chanthaburi and Trat provinces, including both land and maritime routes, the State Department advised its citizens over the travel to these areas.

"The Ministry of Public Health announced full or partial closure of 11 hospitals within the border region and the Ministry of Education announced the temporary closure of 751 schools across the provinces of Ubon Ratchathani, Sisaket, ...