The Russian principalities to the west posed the only tangible military threat.

The school was searched, but no guns, explosives or other tangible threats were found.

Suspect financial activities that were once perceived as an exotic form of white-collar crime are now looked upon with a tangible threat in mind: terrorist financing.

In China's case, India represents a tangible potential threat.

Bombs, missiles, and hatred would only drag the agony out longer, giving people a tangible threat to unite against.

"I say the Fireclown is a tangible threat and that this madman intends to destroy the world!"

Authorities are thus compelled to think not only about security against a tangible threat but also against a perceived threat.

With a restriction of this nature, such separation remains a tangible threat but one which cannot be imposed lightly.

For most others, "if there's a tangible threat, I think that Americans will give up some privacy - some but not all."

The leaders were executed or imprisoned, but there was little evidence of a tangible threat to the Habsburgs.