A CRACK police task force has been set up to break the triad stranglehold on the film and entertainment industry. The move was prompted by the involvement, either directly or indirectly, of up to 30 of Hong Kong's leading personalities in the murder case of Sun Yee On triad boss Andely Chan Yiu-hing - known as the Tiger of Wan Chai - and colleague Tse Chun-fung in Macau on Sunday. Many of the stars had sought police protection. Head of the Organised Crime and Triad Group (OCTG), Chief Superintendent Chan Tit-kin, confirmed a link between the murders, the triads and the film and entertainment industry. He said he believed mainland triad gangs could have become involved. ''We believe the incident [Macau murders] might be connected with criminal cases in Hong Kong and a number of arson and blackmail cases. ''Most, if not all, of these incidents are connected with people in the film and entertainment industry.'' In January last year, hundreds of film industry figures marched through Central to protest against the growing involvement of triads, including the payment of protection money, extortion and threats. Nearly two years on, Mr Chan has announced the setting up of a police task force drawn from the OCTG and including officers from the Criminal Intelligence Bureau and Interpol. He said its formation was prompted by the number of recent incidents within the entertainment world which warranted special attention being paid to organised crime involvement. Mr Chan refused to give details of its structure, location or workings, but said it would exist for at least six months and be headed by OCTG Superintendent Philip Choy Kin-cheung. ''There has been organised crime involvement in the film and entertainment industry for a long time but it has become more institutionalised recently,'' Mr Chan said. ''We feel that the whole of the triad involvement needs to be carefully looked into, and in view of the recent incidents we [also] need to look into the film industry.'' The unit's first function will be to assist the Macau authorities in investigating the weekend's murders. Andely Chan, 32, was believed to have been killed in revenge for the murder of film producer Wong Long-wai in May last year. Wong is believed to have been killed by Chan a year after Wong slapped singer Anita Mui in the face when she refused to sing at a party. The home of Carrie Chan Ka-lee, personal assistant to singer Andy Lau and former employee of Mui, was fire-bombed two weeks ago. Macau Judiciary Police Deputy Director Albano Cabral said he expected liaison between the Hong Hong task force and the Macau authorities to be conducted through Interpol. Mr Cabral yesterday called for closer links between the two forces in the hope of ''keeping Hong Kong's crime problems out of Macau''. The Macau incident involved up to three gunmen shooting dead Chan and Tse, 29, outside the New World Emperor Hotel at 3.10 am on Sunday. Ho Sun-wing, 26, was also gunned down and was still in a critical condition last night. Hong Kong-based Briton Gillian Martin, 28, was shot in the lower leg when she was innocently caught up in the attack. A 19-year-old Thai girl, Nalianee Tokel, was also wounded. Mr Chan said he did not expect the Macau murders to prompt a full triad battle, either for revenge or to seize control of the position left vacant in Wan Chai by Andely Chan's death. ''My assessment is that there is unlikely to be large scale retaliation attacks,'' he said. However, a man claiming to be the brother of Wong Long-wai allegedly made threats against certain members of the entertainment industry in a telephone call to some newspapers. Fight Crime Committee member Justein Wong Chun welcomed the new unit saying it showed the police was determined to combat triad-related crimes. ''I think the suppression of these types of crimes would give the public a feeling of security,'' he said. He said he believed the Organised and Serious Crimes Bill, giving the police wider powers to tackle organised crime, would also be a major factor in triad suppression.