(CNN) The missing head of Interpol, who vanished after returning to his homeland, is under investigation in China, authorities in Beijing have confirmed.

In a terse one line statement Sunday evening, China's ruling Communist Party admitted Meng Hongwei, who also holds the position of vice minister of public security in China, was "under investigation by the National Supervision Commission for alleged violations of laws."

Chinese authorities had previously remained tight-lipped about the whereabouts of Meng, following his sudden disappearance last month after he flew from France to China.

Sunday's statement did not specifically say that Meng had been arrested, or that he remains in China. However, previous suspects who have been described as "under investigation" by the National Supervisory Commission -- the country's top anti-corruption agency -- have often reappeared in the custody of the government at a later date.

The Vice Minister of Public Security of China is under investigation https://t.co/YsDXPhr91p — CGTN (@CGTNOfficial) October 7, 2018

In a separate development, Interpol said it had received Meng's resignation from the international police agency with "immediate effect" according to statement posted Sunday. It made no mention of the former president's sudden disappearance or his current whereabouts.

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