Bukit Aman narcotics crime investigation department director Hussein Omar Khan said the suspects were all men, aged between 27 and 70, Bernama reported.

He said police had yet to receive formal notification from the Cambodian authorities but were working with the foreign ministry and the Malaysian embassy in Phnom Penh to gather more information.

“Further investigation will be carried out to identify the syndicates involved,” he was quoted as saying.

According to the Phnom Penh Post, all six men were arrested by Cambodia’s Anti-Drug Department in collaboration with customs and airport authorities, with the drugs found in four suitcases.

The group had intended to transport the drugs from Phnom Penh to Hong Kong, and then to London, the report said.

They are said to have been charged under Article 40 of Cambodia’s Law on Drug Control.