CHICAGO  - At least seven people have been shot at or near a day spa in the midwestern US state of Wisconsin by an unknown assailant, US media reported. Police said they were looking for a black male who may be driving a black Mazda as a suspect in the midday shooting in the suburbs of Milwaukee. The latest reports indicated that four of the victims were being treated in a hospital with three more on their way, but details were still emerging from the confusion surrounding the shooting.