Thirteen people from a West Allis bowling alley have been treated to Aurora St. Luke's Medical Center on Wednesday after reporting that they were feeling sick, police said. Medical workers believe they were exposed to carbon monoxide, St. Luke's spokeswoman Myrle Croasdale said. "They are being treated in the emergency department as we speak," Croasdale said. West Allis dispatchers were told that people at the Riviera Lanes, 8600 W.