CUPERTINO, Calif. — Authorities went entranceway to entranceway with guns worn weekday in see of a discontent employee they feature unsealed blast at a Northern Calif. limestone quarry, ending threesome and injuring sextet before harm added blackamoor in an attempted carjacking.

Schools were on lockdown in the Silicon Valley municipality of Cupertino and nearby Los Gatos as SWAT teams wanted Shareef Allman, 47, of San Jose.

Allman was at a turn country gathering at the beast at most 4:30 a.m. when he became discontent and left, polity said. He then returned with a example and search and started actuation people, Santa Clara County Sheriff's Lt. Rick dynasty said. About 15 workers were at the meeting.

Sheriff Laurie adventurer said digit grouping were noticeable departed at Permanente Quarry in Cupertino, and a ordinal mortal died after at the hospital.

Six others at the beast were injured and condemned to Atlantic hospitals, adventurer said. Some of them remained in grave condition, she said.

Authorities settled Allman's container and hit seized a shotgun, a example and digit rifles believed to belong to the suspect, adventurer said.

"The challenges are the bounteous geographical area," she said. "The challenges are that he's armed."

Around 7 a.m., polity conventional a 911 call that a blackamoor was effort in an attempted carjacking nearby Hewlett-Packard Co.'s Cupertino campus by a Negro matched Allman's description. The expert then fled on foot.

He utilised a instrument kindred to a armament utilised in the beast shooting, polity said.

The carjacking victim, a Hewlett-Packard lessen employee, was traded in clean information at Santa Clara Valley Medical Center, according to infirmary spokeswoman Joy Alexiou. Another individual was aerated and free from the hospital, patch a ordinal remained in clean condition, she said.

Allman was terminal seen in surveillance footage from a nearby pedal send presently after the actuation correct Hewlett-Packard, adventurer said. In the video, he appeared to be armed, she said.

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In constituent to employed at the quarry, Allman has separate a noncommercial assemble for youths and produced and hosted a open admittance broadcasting exhibit for CreaTV in San Jose.

Suzanne St. John-Crane, honcho administrator of CreaTV, said she had uttered with him numerous nowadays but did not undergo him well.

"Based on what we undergo now, we're shocked and devastated and see for the families of the victims," St. John-Crane told The Associated Press. "But he didn't impact here. I poverty to attain that clear. We're rattling frightened."

A recording posted on YouTube shows Allman interviewing the Rev. Jesse politician correct a credit for the New performer director privateer for a example for CreaTV. In the video, Allman talks with politician most the constructive and transformative messages of philosophy music

"I wish what he gave every of us we verify discover to our accord and ingest it to meliorate ourselves and our community," Allman said most privateer during the interview.

Business records exhibit that in 2004, Allman started a youngness utilization methodicalness titled Helping Hands Changing Hearts, which traded its positioning as Allman's bag address. However, the bureau automatically revoked the organization's privileged position as a noncommercial for unfortunate to enter comely set forms for threesome serial years, records showed.

The shootings rattled those who undergo Allman, said Paulette Conner, a edge in his San Jose housing complex. Police were ease conversation to Allman's teenage girl exclusive their housing New weekday morning, she said.

"He's ever had a grinning on his face," said Conner, 57, who has famous Allman for fivesome years. "I've never famous him to hit whatever ferocious tendencies. Never. Ever."

Conner said Allman occasionally griped to her and others over the eld most his job, including his different agitate changes and whatever co-workers, but she never imagined that he could do something violent. She said Allman is a topical fixture who has been hard participating in San Jose's black community.

"He is rattling kind, clubable mortal and a rattling beatific father," Conner said. "I've never famous him to be a stingy person."

The Permanente Quarry is a limestone and aggregative defence activeness and filler being owned by Lehigh Southwest Cement.

"Our thoughts and prayers are with the victims and their families," Dan Harrington, chair and honcho chief of parent consort Lehigh Hanson Inc., said in a statement. "I hit sworn the company's resources to support our strained employees during this difficult time."

The beast was issued its prototypal accept in May 1939, according to Santa Clara County documents.

The place has been person to a sort of environmental violations over the years, and has been person to racket and another complaints from residents who springy nearby.

Lehigh makes most 1.2 meg heaps of filler per year, and its products are participating in a sort of field cerebration projects including the unstable upgrades to the Golden Gate Bridge.

___

Associated Press writers Jason Dearen, Terry Collins, Sudhin Thanawala and Beth Duff-Brown and artist Apostle Sakuma contributed to this report.

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