With time apparently running out, John Koenig orders an immediate evacuation.

I'm at all times ready for immediate evacuation or running.

We are beginning an immediate evacuation of the airport.

On 3 April 1968 during one such firefight the 101st took several casualties that required immediate medical evacuation.

"Do seat belts on school buses impede an immediate evacuation?"

This causes security to order an immediate evacuation.

Though that usually meant that an immediate evacuation was being ordered, Grey continued to climb.

From what I was told, he wanted immediate evacuation.

Though roof sentries spotted the truck and called for an immediate evacuation, they were too late.

Many buildings were damaged during the earthquake, so city officials ordered an immediate evacuation of the area hardest hit.