Passage 9 On Friday afternoon,two men were arrested as part of the probe into the scandal.Both were arrested on charges of conspiracy to defraud and were detained pending inquiries. He said Hong Kong has a set of licensing laws for both oil for human consumption and oil for other uses.Oil not for human consumption should never end up being used for food preparation. "This is extremely serious,"said Ko in a radio interview this morning."We are treating it as a criminal investigation." Ko said Hong Kong companies who had packaged industrial lard as oil for human consumption to be exported had seriously tarnished the city's reputation.He said so far no company has received licences for factories producing both kindsofoi Ko refused to divulge details of the investigation,nor the specific government departments involved,saying that it may affect the work The latest food scare comes after the "gutter oil"scandal in Taiwan and the recent Shanghairotten-meat factory scandal. 214Passage 9 2 / 4 On Friday afternoon, two men were arrested as part of the probe into the scandal. Both were arrested on charges of conspiracy to defraud and were detained pending inquiries. He said Hong Kong has a set of licensing laws for both oil for human consumption and oil for other uses. Oil not for human consumption should never end up being used for food preparation. "This is extremely serious," said Ko in a radio interview this morning. "We are treating it as a criminal investigation." Ko said Hong Kong companies who had packaged industrial lard as oil for human consumption to be exported had seriously tarnished the city’s reputation. He said so far no company has received licences for factories producing both kinds of oil. Ko refused to divulge details of the investigation, nor the specific government departments involved, saying that it may affect the work. The latest food scare comes after the “gutter oil” scandal in Taiwan and the recent Shanghai rotten-meat factory scandal