The emergency operator will tell you what to do.

Hence, one of the few ways to communicate to people in the building was through calls to the 911 or other emergency operators.

"They're here," she reported to the emergency operator, stepping out so the officers could see her.

The emergency operators had no time to do anything but give advice and appeal for calm.

The emergency operator was so calm that her voice gave me strength.

Was anyone hurt, the emergency operator wanted to know.

The voice of the emergency operator was female and black.

After you call 911, continue to stay on the phone with the emergency operator.

"Being an emergency operator, there is no such thing as a normal day because everybody has different emergencies," she said.

Call the emergency operator - that meant this was no local matter, responsible authorities must be involved.