A man has been arrested in Bangladesh following an attempted hijacking.
Army and police officers earlier surrounded a commercial airplane on a runway in Chittagong.
A Biman Bangladesh Airlines flight to Dubai made an emergency landing on Sunday following an incident on the aircraft, a senior official from the airline said.
Shakil Miraj, the airline's general manager, said law enforcement officials surrounded the plane after it was forced to land on Sunday at 5.40pm local time.
He said the pilot decided to make an emergency landing after being told by a member of the cabin crew that a passenger was behaving suspiciously.
Mr Miraj added: "There were 142 passengers and all of them have come out from the aircraft safely."
According to the Dhaka Tribune, an anonymous airport official said a gunman tried to take control of the cockpit after flight BG-147 took off from the Bangladeshi capital.
Air Force official Mofidur Rahman told reporters there were no casualties and that a suspect had been arrested and was being questioned.
The Boeing 737 had been scheduled to fly from Dhaka to the United Arab Emirates but landed at Shah Ananta International Airport.
Soldiers were seen in live television broadcasts taking up positions at the airport.