Two Hong Kong deputies to the National People's Congress have taken up a campaign to free a businessman jailed for eight years in Guangdong. The man's son, Danny Chow Chun-ming, claims his father was a victim of corrupt mainland officials. A spokeswoman for the Security Bureau confirmed yesterday that it had received a request for assistance from the family of Chow Kan-wah, 60, while Allen Lee Peng-fei and Cheng Yiu-tong, both NPC deputies, have promised help. 'My father is innocent and the court ruling was unjust,' Mr Chow said. Chow, a Hong Kong citizen, ran a property development firm in Chaoyang. His company manages a commercial and residential estate in the Xiashan area of the city. According to his son, the company's office was stormed by more than 1,000 villagers on April 12 last year after Chow failed to settle a land dispute with the local authorities. It is claimed that the villagers were also in dispute with the company because the land in question, to be developed by Chow, contained several venues for religious worship. Chow was arrested after about 40 security guards working for his firm fought the villagers, leaving one dead and dozens injured. Chow was sentenced to eight years in jail by a Chaoyang court on November 21 on a charge of organising a gang fight. Some villagers were also jailed. Danny Chow claimed that his father, who has undergone operations on his legs and has a heart disease, was a victim because he refused to bribe officials during development issues. However, he failed to provide details to back up his claims. The family has lodged an appeal with the court. Both Mr Lee and Mr Cheng have written to the Guangdong authorities and are taking follow-up action. Mr Lee said it had became increasingly common for Hong Kong businessmen to wrongly end up in jail after business disputes.