One dies as bikers, police clash

This article is about an outlaw motorcycle gang fighting with Cincinnati Police. It tells that an unidentified man was killed and three others wounded, including two Cincinnati police officers, when a shootout happened at a Camp Washington Bar on Saturday September 18. This shooting involved police officers and members of an outlaw motorcycle gang called the Iron Horseman on Saturday night.
A number of bikers were sitting outside the tavern around 7:00 pm when the officers, some in uniform and some in plainclothes, arrived. According to Cincinnati Police Chief Tom Streicher, gang fired on the officers "as they got out of the car." However, police didn't know what set off the shooting.
A number of bikers were taken into custody; two officers were taken to the hospital with non-life-threatening injuries. No information was provided on the extent of the wounded biker's injuries.
　
Critical Thinking Question – I wonder what set off the shooting? Was someone threatened?http://news.cincinnati.com/article/20100918/NEWS01/309180057/Police-shot-SWAT-team-at-bar