A local radio station in the central city of Da Nang was disturbed by an unidentified radio wave airing a Chinese language program on Sunday afternoon, local authorities said on Monday.

Khue My Radio Station in Ngu Hanh Son District of Da Nang City was briefly disturbed by a strange radio wave airing Chinese language programming, Deputy Head of Ngu Hanh Son Radio Station Huynh Phuoc Hien confirmed to Tuoi Tre (Youth) newspaper on Monday.

The station broadcasts on FM frequency 97.5 MHz, according to Hien, who speculated that the disturbance had originated from the sea.

An official at Vietnam’s radio watchdog said the incident had been reported to the body and that inspections were being carried out to determine the nature of the situation.

The official added that there would be more paperwork involved if the alien radio wave had indeed come from the sea, as diplomatic procedures would then be required.

The affected radio station has temporarily terminated all broadcasting activities for a month to wait for the conclusion from investigative agencies, Chairwoman of the Ngu Hanh Son People’s Committee Nguyen Thi Anh Thi said.

“A similar incident has happened in My An Ward [in Ngu Hanh Son District], and has been solved by upgrading the wave transmitter at My An Radio Station,” Thi said.

Local authorities worked with the Da Nang Department of Information and Communications and the country’s radio bureau the same afternoon to seek solutions to the incident.

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