But it does show that you need to tighten security there.

Russia and America have taken some steps to tighten security, but they are inadequate.

The Administration has been under fire for not acting more aggressively to tighten security.

The school, which is not on the state's watch list, tightened security last week after a student was stabbed.

We must tighten security so terrorists do not get on the planes.

The county took several measures to tighten security at the building.

A bill to tighten port security has passed a Senate committee.

Convinced that the royal family was involved, Washington wanted to tighten security.

The attempts of the French authorities to tighten security are welcome.

In response, federal officials said they would move quickly to tighten security at airports and sensitive areas around the country.