The shooting happened before 2 a.m. Saturday on Calwa just east of Pullman.
As Fresno County deputies arrived on scene, hundreds of people were leaving the area, and shots were still being fired. As many as 100 deputies, CHP and FPD officers responded.
Authorities say the motorcycle club was hosting a dance with as many as 500 people present. The shooting started inside the clubhouse, and then quickly moved outside where a running gun battle occurred on Calwa Avenue.
One person was found dead inside the club, as well as several others injured. Another victim was found on a nearby street, and several others were taken to Community Regional Medical Center prior to deputies arriving on scene.
Injuries ranged from minor to extremely serious. Stay with Action News and abc30.com for any new details.