Measures will include increased pat-downs and gate screening, as well as having to stow carry-ons and personal items, including pillows.

CNN: Security ramped up at airports in U.S., UK, Amsterdam

The TSA security directive at issue outlined procedures to increase security, including requiring airlines to conduct physical searches of passengers during certain international flights and prohibiting passengers from keeping pillows and blankets on their laps.

CNN: TSA withdraws subpoenas of travel bloggers