MONTREAL, CANADA (BNO NEWS) — An Aeromexico flight from Paris to Mexico City was diverted to the Canadian city of Montreal on Sunday following a security incident, officials and the airliner confirmed.

Aeromexico flight 06, operated by a Boeing 767-300, was diverted and landed at Pierre Elliott Trudeau International Airport at 1:25 p.m. EDT after being denied access to U.S. airspace. One person was taken into custody aboard the plane.

Aeromexico confirmed the incident, saying that the passenger was on a U.S. security list as an unwanted person. It was not immediately clear if the airline referred to the U.S. no-fly list.

The U.S. Transportation Security Administration (TSA) confirmed a passenger was arrested on an outstanding warrant. “TSA is aware of Aero Mexico flight 006 from Charles De Gaulle Airport to Mexico City International Airport which was diverted to Montreal due to a person of interest,” said Lauren Gaches, a spokeswoman for the TSA.

“The flight landed safely and was met by law enforcement. Officers removed the individual from the flight and arrested the person on an outstanding warrant,” she added.

Gaches did not say why the person was being sought, but said the United States has the ability to refuse entry to any flight. “The United States’ ability to refuse entry into its territory of any flight it deems to present a threat to its security is recognized by numerous countries and is consistent with international agreements,” she said.

All other passengers aboard the aircraft were re-screened and, according to Aeromexico, at 10:20 p.m EDT the flight continued on to its scheduled destination.

A witness on board the plane, Mexican senator Francisco Javier Castellon, said the passenger arrested was an Arab-looking man and was in seat 23H.

The plane, which departed Paris Charles De Gaulle Airport at 10.31 a.m. CEST (4.31 a.m. EDT), was carrying 150 passengers.

A spokeswoman for the Royal Canadian Mounted Police confirmed it was at the airport to assist, but refused to provide further information. She said the Canada Border Services Agency was in charge of the case.

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