India, Aug. 10 -- An Alaska Airlines flight that departed Miami International Airport for Seattle was forced to return to the gate on Sunday evening after crew members reported threats from passengers. After the reports of threats, the pilots initiated a cockpit lockdown protocol.

Although the incident resulted in passengers being temporarily deboarded as law enforcement officials conducted an investigation, authorities later concluded that there was no credible threat.

Alaska Airlines Flight 305, a Boeing 737, was scheduled to operate the six-hour service from Miami (MIA) to Seattle (SEA). Air traffic control audio captured the pilots informing controllers that they had stopped the aircraft after a "customer disturbance."

According to...