A man armed with a loaded gun boarded a UK bound flights from Phoenix, Arizona, it has emerged.
In a separate incident on a different flight a man managed to smuggle a flick knife onto the aircraft.
They were both missed by the same agent employed by the Transportation Security Administration, a US government agency which screens passengers at American airports on June 22.
One of the two passengers, who is understood to have a criminal record, was picked up when trying to board a connecting flight to Paris.
The second passenger, who was carrying the knife, was also intercepted while transferring to another flight.
American official let a man with a gun board a flight to London - Telegraph
