madly down the track, chased by a club worker wielding an electric fan and flanked by punters who were screaming wildly," the Guangzhou Daily said in an account of a recent vice-squad raid. Investigations showed the mouse racetrack had opened in July, running 12 laboratory mice races each night with a maximum individual bet of 1,000 yuan ($125), the newspaper said. Police detained 11 people for running the club and fined 16 punter-patrons in Guangzhou`s first-ever gambling case involving mice, the daily said.