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ORLANDO, Fla. (AP) — A disgruntled employee armed with a handgun and a knife killed five people during a workplace rampage near Orlando Monday morning, police say.

The gunman was fired from the business in April, police said during a news briefing, and shot former coworkers. Police found four of the victims dead at the scene; a fifth went to an area hospital and later died. The 45-year-old gunman shot and killed himself, investigators said. The man’s identity has not yet been released.

Police said the man had been previously accused of assaulting a coworker in June 2014, though he wasn’t charged in the incident. Sheriff Jerry Demings didn’t believe the gunman had ties to any terror organizations, calling the shooting a likely “workplace violence incident.”

Seven people survived the attack, according to the Orange County Sheriff’s Office, which happened at Fiamma Inc., a company that makes awnings for campers, motor coaches and SUVs.

Witnesses described a chaotic scene. Shelley Adams said her sister, Sheila McIntyre, called her from the company’s bathroom during the shooting and was very upset.

She kept repeating “My boss is dead. My boss is dead,” Adams said.

Earlier in the morning, the sheriff’s office said it was responding to an incident with “multiple fatalities” and said the incident was “contained.” Deputies were called to the business around 8 a.m. after getting reports of an active shooter.

Gov. Rick Scott said he had been briefed by law enforcement and that he and his wife, Ann, “are praying for the families who lost loved ones today.”

“I ask all Floridians to pray for the families impacted by this senseless act of violence,” he added.