A person on board a plane at Boston Logan International Airport that was taxiing for takeoff suddenly opened an exit door and was quickly restrained by other passengers, authorities said. The JetBlue passenger,

A passenger on a JetBlue flight opened an emergency exit door and deployed the slide while the plane was taxiing at Logan Airport Tuesday night, the FAA said.

The passenger on the JetBlue flight opened an exit “for unknown reasons” while the airplane was taxiing, or moving on the runway.