At least 2 killed in workplace shooting in California
At least two people were reported killed and several injured in a workplace shooting at a quarry in Cupertino, Calif., according to media reports.
Update at 10:04 a.m. ET: Officers in Santa Clara County report that the shooter is still on foot and may be armed with an AK-47, according to emergency services scanners.
Update at 9:52 a.m. ET: KGO-TV reports that police have confirmed two dead and four seriously wounded in the shooting at a quarry. The station says an employee allegedly showed up at the morning safety meeting armed with an automatic rifle and handgun and began firing.
NBC Bay Area initially said three people were reported killed in the shooting.
Original posting: The NBC station says unconfirmed reports from emergency services scanners indicate a shooter armed with a handgun and possibly an assault rifle is reportedly on foot.
The shooter was seen arriving by car at Lehigh Permanents Cement Inc. in Cupertino, which is in Santa Clara County.
The shooter reportedly contacted police with a radio at the site and threatened to continue shooting, NBC says.