Suspected Hong Kong triads target Transformers filming second time in a week . Four men demand money from production team ; one arrested , three escape . Four men attempted to extort an undisclosed sum of money from a crew member inspecting a rooftop shot location in the district of Kowloon Tuesday , the Hong Kong Police told CNN . Score: 6 Triad-related crimes rose 15 % between 2010 and 2012 , says Hong Kong Police Force .
Suspected Hong Kong triads target Transformers filming second time in a week . Four men demand money from production team ; one arrested , three escape . Score: 6 Triad-related crimes rose 15 % between 2010 and 2012 , says Hong Kong Police Force .