Power it up, or leave it behind.
The Transportation Security Administration said Sunday that security screeners at overseas airports may ask U.S.-bound passengers to turn on their electronic devices to prove they work and aren't explosive devices.
They won't allow devices without power on board planes. The traveler may then undergo additional screening.
It's part of an update to security measures aimed at combating potential new threats from terrorists in the Middle East and Europe.
What caused new airport security moves?
Secretary of Homeland Security Jeh Johnson directed the TSA last week to enhance security at overseas airports that have direct flights to the United States. The specifics of the enhanced measures weren't originally released, and it isn't known what other measures the TSA may employ.
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