1.   And at the federal courthouse, barricades and U.S. Marshals, some armed with automatic weapons, surround the perimeter.

2.   In fact, the airport has no fence surrounding its perimeter.

3.   Some also signed placards and large sheets of paper that will be shown to firefighters and placed on the fence surrounding the perimeter of the Murrah building.

4.   Police in riot gear surrounded the perimeters of the iron walls that surround the modern, concrete palace, pushing back the crowds.

5.   Local television footage showed the explosion and scores of antiterrorist police surrounding the perimeter of the compound.