Police identified Faisal Mohammad, an 18-year-old freshman at the University of California's (UC) - Merced, as the suspect who stabbed and wounded four people.

According to The Merced Sun-Star, Merced Couty Sheriff Vern Warnke confirmed Mohammad was the attacker and that police shot and killed him Wednesday morning. Mohammad reportedly began his attack during a physical altercation with another male in a second-floor classroom.

In all, four people were stabbed: two students, an advisor and a construction worker. Two needed to be transported to the hospital via airlift and the other two were treated at the scene, but all are expected to make a full recovery.

Warnke singled out a construction worker named Byron Price, 31, who intervened during the attack, The Sun-Star reported. Warnke indicated Price intervened during the first stabbing and wound up being the second victim in the attack. Warnke stated Price's actions could have saved the first victim's life.

Mohammad then attacked his next two victims outside the classroom building, The Sun-Star reported, and was shot and killed after being pursued by two university police officers. UC - Merced cancelled classes for the remainder of the day and Thursday as well.

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Four(*) people were stabbed at the UC - Merced campus Wednesday morning before police shot and killed the assailant.

According to The Los Angeles Times, a male student began stabbing people outside the school's Classroom and Office Building, which primarily houses humanities and natural sciences classes. Two of the victims needed to be transported to a hospital via airlift while the other three were treated at the scene, but all were conscious after the attack.

Jacob Rodriguez told NBC News he was working with someone else inside the building painting a wall when the assailant stabbed his co-worker in the leg. Rodriguez said the attacker wielded a kitchen knife nine inches long.

"We thought it was a fight going on and we heard people screaming," he told NBC News. "My co-worker opened the door to see if there was a fight going on and if they needed help. He said the teacher looked at him and said 'no,' and then the guy ran out and attacked my co-worker.

"He attacked my co-worker and then he came towards me and I grabbed a ladder and put a ladder between me and the guy and he ran off downstairs."

UC - Merced stated in a news release the campus was on lockdown and all classes and activities would be cancelled for the rest of the day. However, the school is offering 24-hour counseling services.

School and law enforcement officials have not disclosed identities of the attacker or the victims, nor do they know any potential reasons for behind the stabbings.

"I can tell you that we're really shocked and saddened by this," Lorena Anderson, a UC - Merced spokeswoman, told The Times. "We're doing everything we can to contact family and parents to make sure everyone here is safe and secure."

(*Initial reports stated there were five stabbing victims)