Sentence examples for rigid security measures from inspiring English sources

The attacks also stranded tens of thousands of people throughout the United States, as U.S. airspace remained closed for commercial aviation until September 13, and normal service, with more rigid security measures, did not resume for several days.

Although killings across Iraq have fallen sharply, in part because of rigid security measures and a lull in violence between Sunni and Shiite groups, officials have noted a multitude of assassinations, minor bombings and robberies as the insurgency takes on an increasingly criminal tinge.

Strict security measures were in place.

Strict security measures were required.

The security measures were stiff.

Security measures have been discussed.

Security measures must be provided".

We are taking specific security measures".

Extra security measures were apparent.

New security measures have also slowed business.

Yet tougher security measures carry economic risks.