A businessman who says he paid a $3 million ransom into a bank account after being kidnapped on the mainland is suing to recover the money. Cheng Lai-heung and wife, Cheung Lai-chuen, have taken the unusual step of lodging a civil suit in the High Court as a police investigation into the alleged abduction gets under way. Mr Cheng, owner of two marble polishing companies in Hong Kong and on the mainland, says in the writ he was abducted by 'a gang of unknown people' in Fuzhou, Fujian, 11 days ago. The kidnappers allegedly exerted 'threats, violence and duress' on Mr Cheng, who called his wife, asking her to transfer $3 million into a bank account. The writ says Ms Cheung transferred the sum from their joint account with Siu Hua Bank to a National Commercial Bank account. Mr Cheng was released the same day and went to the Public Security Bureau. Ms Cheung made a report to the Hong Kong police. At 3.19pm on July 14, half of the sum in the National Commercial Bank account allegedly was transferred to a Nanyang Commercial Bank account. The rest was transferred to a Yien Yieh Commercial Bank account. The two men whose names were on the Nanyang account and the Yien Yieh account are named in the writ as the defendants. The men were arrested but have been released on bail. 'The defendants were members of the kidnap syndicate and are not entitled to . . . keep the ransom,' the writ says. Police were not available for comment.