(Xinhua): Vietnamese Foreign Minister Bui Thanh Son tested positive for COVID-19 upon his arrival in Cambodia on Wednesday afternoon, Cambodia's Foreign Minister Prak Sokhonn said.

Son visited Cambodia for the ASEAN Foreign Ministers' Retreat, which is scheduled for Thursday.

"I would like to wish (a) swift recovery to our colleague Bui Thanh Son, who tested positive on his arrival," Sokhonn said in a speech during a welcome dinner for ASEAN foreign ministers.

Cambodia is the current chair of the Association of Southeast Asian Nations (ASEAN), which groups Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam.

The ASEAN foreign ministers' retreat will be held in a hybrid format, with some ministers attending the event in person, and others via videoconference.

According to the organizers, as of Wednesday evening, foreign ministers of Singapore, Laos, Malaysia and Vietnam arrived in Cambodia.