US ambassador Micheal Ranneberger has criticized the police for confiscating photographs on post election violence, that were on exhibition at the picha mtaani fair in Nakuru. Ranneberger said the action by the police was an infringement on the freedom of expression.On Wednesday police, led by area OCPD Johnston Ipara, stormed the exhibition and took away some of the photos, claiming they were bound to incite members of the public.