An investigation is underway after an explosion at a feed mill in northwest, Iowa yesterday afternoon. No one got hurt at Deluxe Feeds in Sheldon, however the facility was damaged. The facility owned by Kent Feeds produces feed that is shipped to producers in Iowa and three other states. It was undergoing a $37-million-dollar expansion. Authorities say at least two bicyclists participating in RAGBRAI have been injured in a crash. Police in Indianola say a 22-year-old woman and a 57-year-old man