Police are investigating the discovery of a possible human foot. Pittsburg police were called to O`Brien ready mix Friday morning. The object, which has yet to be identified as human remains was laying on a large pile of crushed rock. The object has been taken to topeka for an examination by a forensic pathologist. Investigators are searching a wooded area around O`Brien`s and are working the site as a possible homicide. If you have any information about the discovery you are urged to contact the Pittsburg Police Department.