The US government may have banned passengers from bringing any electronic device larger than a cell phone on board certain flights to and from the Middle East and Africa.
While CNN said the Department of Homeland Security had no comment, the US State Department had confirmed that relevant countries and airlines were being informed of the device ban.
It is unclear which countries and airlines the ban will apply to, or how long the ban will be in place, but the official said no American carriers would be affected.
Royal Jordanian Airlines didn't specify which USA departments instructed this ban, or specify whether the ban was temporary or permanent.
In a statement, Royal Jordanian said it would ban all laptops, tablets, cameras, DVD players and electronic games from being taken into the passenger cabin.
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A spokesman for the International Air Transport Association, which represents international carriers including Royal Jordanian, said they were not informed of the ban and were working to get additional information from USA authorities. The ban comes into effect starting March 21 and airlines are expected to comply within 96 hours.
The Department of Homeland Security (DHS) declined to comment on the issue. Royal Jordanian's flights to Montreal, which now continues on to Detroit, would also be affected. All other electronics would be "strictly prohibited".
The Royal Jordanian tweet specifically mentions laptops, cameras, DVD players, and gaming devices as banned at the request of "the concerned USA departments".
These measures will also affect a flight from Montreal to the Jordanian capital of Amman on Tuesday, according to a statement by Royal Jordanian airlines.
But while that 2014 guidance was formally announced, security officials were tight-lipped Monday about any additional changes that might be afoot following Royal Jordanian's move.