Recreational gun users are at risk of lead poisoning due to exposure from lead dust particles released when a gun is fired.
Indiana University police say a report of a man with a gun that turned out to be unfounded prompted an emergency notification to campus.
Indianapolis Mayor Greg Ballard vetoed two ordinances on Wednesday that would have affected gun owners and City-Council members.
New law goes into effect that permits concealed guns to be present on school property in locked vehicles.
The bill allows parents to have a gun in a school parking lot if it is locked in a car and out of sight.
Devan Dumes faced attempted murder, theft, carjacking, and several gun-related charges.
The groups say stronger background checks would help prevent shootings like the one that took place in Newtown, Conn.
An amendment to a school safety bill creates a new position called a school protection officer and requires each school to have one.
Several members of Oath Keepers carried their guns openly during a demonstration at the Indiana capitol on Friday.
A shop owner in Bloomington says gun sales have doubled each week since the Newtown shooting.