Police and swat team members respond to a call of a shooting at the Azana Spa in Brookfield, Wisconsin on Sunday,Oct. 21, 2012.
Police and swat team members respond to a call of a shooting at the Azana Spa in Brookfield, Wisconsin on Sunday,Oct. 21, 2012.
Three people have been killed and four others wounded by a gunman who opened fire in a spa in the midwestern U.S. state of Wisconsin. 
 
Police said the suspect, 45-year-old  Radcliffe Haughton, was found dead of a self-inflicted gunshot wound at the scene. 
 
Authorities also found an improvised explosive device inside the Azana Salon and Spa in Brookfield, a suburb of Milwaukee.  
 
Police believe the shooting was related to a domestic dispute, but gave no other details.