【明報專訊】FORMER Chief Secretary Rafael Hui Si-yan and Sun Hung Kai Properties' joint chairmen Thomas Kwok Ping-kwong and Raymond Kwok Ping-luen have been arrested by the Independent Commission Against Corruption for suspected offences under the Prevention of Bribery Ordinance and misconduct in public office. Their arrests are certain to further fuel the public's suspicion of collusion between the government and the business sector, as the three are all important political or commercial figures.