With its special power and responsibility in the world, the United States has to be free to act unilaterally in urgent circumstances.

In addition, it observed, agencies may, in "urgent and compelling circumstances," award contracts without waiting for his recommendations.

Federal contracting rules allow agencies to approve deals without standard competitive bidding in "urgent and compelling circumstances."

Sometimes,especially in urgent circumstances, the soldiers from Dagestan were invited and joined to companies.

Never, I thought to myself, had this primitive method of cutting a gordian knot been resorted to in such strange and urgent circumstances.

Under less urgent circumstances, they might be cremated individually, and their ashes placed in a vessel for transport to a permanent burial site.

Lesser rabbinic restrictions are often violated under much less urgent circumstances (a patient who is ill but not critically so).

If urgent circumstances prevent you from attending this course, please notify your own departmental training contact (name below) immediately.

As a practical matter, I could not recommend it, except in the most urgent circumstances.

It will allow us to react in time and if necessary, to take the initiative in urgent circumstances.