Two teens, adult detained after handgun found on Greenfield-Central High School property

A handgun was seized and an adult and teenager detained at Greenfield-Central High School on Tuesday. Greenfield police officers responded around noon to a person with gun in the area and put the school on lockdown. Detectives say they determined that the incident involved a video of a 17-year-old on school property in a vehicle handling a handgun. The 17-year-old, another juvenile, and an 18-year-old who were brought to the police department for questioning.