USA Swimming suspends Michael Phelps from competition for three months . Kellogg Company says it wo n't renew its sponsorship of Phelps . News of publication of photo of Phelps smoking from bong . Sheriff 's office says it is investigating whether Phelps smoked marijuana .
USA Swimming suspends Michael Phelps from competition for three months . Kellogg Co. says it wo n't renew its sponsorship of Phelps . Announcements follow publication of photo showing Phelps smoking from bong . Sheriff 's office says it is investigating whether Phelps smoked marijuana .