Threat to Southwest Airlines flight deemed not credible by FBI

An unspecified security threat that led authorities to check a Southwest Airlines plane after it landed at Denver International Airport has been deemed not credible, the FBI said.

Amy Sanders, a spokeswoman for the FBI, told the Denver Post in an e-mail, “The threat was deemed non-credible at this time,” but she would not identify the nature of the threat.

Sanders said no one was detained or arrested “at this time.”

Airport spokesman Heath Montgomery told the Denver Post that the 126 passengers were shuttled to the main terminal by bus.

The Post reports that authorities were made aware of the threat about 5:15 p.m. and the plane landed safely at the airport at 6:36 p.m.

Montgomery identified the plane as Southwest Flight 3456.