Passengers on board a Delta Airlines flight from Los Angeles to Atlanta helped to subdue an unruly passenger who was reportedly trying to open the aircraft's door mid-air.
Footage recorded by passenger Steve Denton shows air stewards and passengers restraining someone - not visible in shot - as an aggravated male voice is heard.
The flight had to be diverted to Oklahoma City on 11 June and the aircraft landed without any further incidents.
Another passenger, Benjamin Curlee, said a man had tried to open the plane's door mid-flight. Mr Curlee said a person made an announcement asking passengers to take their seats and get ready to put on their oxygen masks.
Speaking to CNN, he said: "That created quite a stir. People behind me were saying, 'Well, that's really bad.' I mean that only happens when the plane goes down."
He also said this person was an off-duty flight attendant, though this claim has not been verified or corroborated.
Mr Curlee added that the plane's pilot then called for 'all able-bodied men' to come to the front of the plane because there was an emergency, but before he could reach the front of the plane, the situation was resolved.
He said: "I feared the worst. I prayed that God would protect my family in case I was gone. We got nowhere near because basically every man on the plane stepped up and was in the aisle.
"It was very tense, very adrenaline fuelled."
A Delta spokesperson said in a statement: "Thanks to the crew and passengers of Delta Flight 1730 (LAX to ATL) who assisted in detaining an unruly passenger as the flight diverted to Oklahoma City (OKC).
"The aircraft landed without incident and the passenger was removed by law enforcement. We apologise to our customers for the delay and any additional inconvenience this caused."
According to CNN, the unidentified man assaulted two flight attendants. Oklahoma City police told the news outlet he said he was 'going to take the plane down'.
In a further tweet, the police explained: "We've gotten several inquiries regarding a flight from Los Angeles to Atlanta that was diverted to OKC due to an in-flight incident. That case, and all release of information is being handled by the @FBI."
LADbible has approached Delta for comment.
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