Aliso Viejo Explosion in California Killing Woman Investigated as Intentional

Officials said the blast appeared to be an intentional act caused by a package that specifically targeted the office where the explosion occurred.

The explosion occurred Tuesday in Aliso Viejo, about 50 miles (80.5 kilometers) south of Los Angeles. Although investigators and FBI are still determining the cause of the blast, officials have announced the threat is over.

Tony Dik, whose child attended the day care, told NBC that parents were anxious and emotional when they found out that the preschool was on the same road as the explosion.

The official was briefed on the investigation but wasn't authorized to discuss the matter publicly and spoke to The Associated Press on condition of anonymity.

Fire and sheriff's officials said the building appeared to be undergoing some type of renovation.

Associated Press writer Michael Balsamo in Los Angeles contributed to this report.

Investigators from the FBI and the Bureau of Alcohol, Tobacco, Firearms and Explosives assisted Orange County Sheriff's detectives Wednesday morning at the scene of an explosion in a medical building in Aliso Viejo, where a woman was killed and three other people were injured.

The explosion blew out walls and windows of the facility, heavily damaging the first floor corner of the two-story building and hurling debris outside, said Capt.

Mary McWilliams of San Clemente tells the Orange County Register that she saw two women with burns stagger out of the building. Fire officials say a third victim had smoke inhalation.

The sheriff's department has stressed that the investigation remains at an early stage.

Orange County Undersheriff Don Barnes says the formal identification of the body was continuing but authorities believe it is that of Ildiko Krajnyak (IL-di-koh KRY-nyak), a licensed cosmetologist.

The woman who was killed inside the building was "in close proximity" to the explosion, Sawyer said.

As a result of the explosion one person is dead and three others obtained injuries of the different severity.

Mary McWilliams told The Orange County Register that she arrived for an appointment to find smoke in the area and auto alarms going off.

McWilliams said she saw two burned women staggering out of the building, covered in ash and soot. One of them reportedly said "take care of my mother, take care of my mother".

According to the Orange County Fire Authority, the blast originated from the first floor of the building.

"Anytime you see an explosion of this magnitude, it would definitely be suspicious to us", Sawyer said.

The identity of the female victim killed has not been released.

By mid-afternoon, officials said they did not believe there was any further threat to the community.

Orange County Fire Authority Chief Brian Fennessy says 70 firefighters were dispatched in response to a 1:09 p.m. Tuesday call from Aliso Viejo.

Authorities say they believe a woman killed in an explosion at a Southern California office building ran a day spa there. The cause of the blast is being investigated.

After the explosion, bomb squad investigators arrived on the scene to search for more unsafe devices, while children at a nearby day care were evacuated. They were being reunited with parents at a nearby store parking lot.

  • Jon Douglas