A gunman went on a shooting spree in Tehama County in rural Northern California on Tuesday, killing four people before he was shot and killed by law enforcement.

The gunman, who had yet to be identified as of 2:35 p.m. Pacific Standard Time on Tuesday afternoon, “appeared to pick targets at random,” according to local authorities cited by the . One target was an elementary school, where two children were wounded.

The  reports:

Officials don’t have a motive for the attack but said the gunman seemed to fire at random and might have been in some type of dispute with neighbors.

The gunfire began around 8 a.m. in Rancho Tehama, near Red Bluff, about 120 miles northwest of Sacramento.

“It was all over in about 45 minutes,” Assistant Sheriff Phil Johnston said.

A semi-automatic rifle and two handguns were recovered after deputies shot and killed the gunman.

The , a regional newspaper, reported that ten people had been injured in the shootings.

reported that the gunman was a felon — and hence not eligible to purchase or own firearms. It also noted that he “had been shooting hundreds of rounds of bullets in recent days” and that he had stolen two cars, crashing one, during the course of his attack.

“The crazy thing is that the neighbor has been shooting a lot of bullets lately, hundreds of rounds, large magazines,” neighbor Brian Flint told . “We made it aware that this guy is crazy and he’s been threatening us.”

Flint described living next to the gunman as “hell.”

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