'' Flash Point '' was repeatedly hailed as a prequel to the 2005 film '' SPL : Sha Po Lang '' , which was Yip and Yen 's first feature film collaboration as director and star respectively . Yen denied the '' SPL '' prequel reports , claiming that '' Flash Point '' was a completely original film . Principal photography began in Hong Kong from November 2006 to March 2007 . In choreographing '' Flash Point '' 's major fight scenes , Yen relied on the use of mixed martial arts , working alongside an international group of martial artists . His work as a choreographer won him " Best Action Choreography " awards at the 27th Hong Kong Film Awards and the 2008 Golden Horse Film Awards
27th Hong Kong Film Awards
27th Hong Kong Film Awards
Flash Point (film)