By Janet DiGiacomo and Ed Payne March 18, 2013 -- Updated 1743 GMT (0143 HKT) NEW: Names of 2 people who died are released The two who died were Steven Davis, 60, and Wesley Caves, 58, both of Tulsa, Oklahoma, said Randy Magdalinski, coroner of St. Joseph County, Indiana. CNN's Jim Spellman, Jackie Castillo, Dana Ford and Jessica Jordan contributed to this report.