Federal Bureau of Investigation agents are seen behind yellow crime scene tape outside Rancho Tehama Elementary School after a shooting in the morning on November 14, 2017, in Rancho Tehama, California Four people were killed and almost a dozen were wounded, including several children, when a gunman went on a rampage at multiple locations, including a school in rural northern California.
Officials are telling residents in the Rancho Tehama area to stay inside their homes until they are able to secure the situation.
"It was all over in about 45 minutes", Assistant Sheriff Phil Johnston said.
One student was shot at the school and taken to a hospital.
Johnston said he was told the suspected shooter was killed by law enforcement gunfire. At least ten people were hospitalized after the shooting spree. A woman driving the truck was also shot; all three are being treated. He says he and his roommate told police that their neighbour was acting "crazy" and threatening them.
Mr Johnston said police were alerted to the shooting at around 8am local time (4pm GMT). No one was killed at the school.
"He's dead. He didn't make it", the witness said.
Enloe Medical Center in Chico tells NPR that it has received five patients, three of whom have been treated and released.
More than 100 law enforcement officers were on scene.
A reporter at Action News Now described anxious parents trying to get to their children at Rancho Tehama Elementary.
The small district school is staffed by just four teachers. California Gov. Jerry Brown issued a statement in the wake of the shooting: "Anne and I are saddened to hear about today's violence in Tehama County, which shockingly involved schoolchildren".