The red alert lights flashed in the empty hall.

The yellow alert lights had been replaced by flashing red warnings.

There was something familiar to it, almost like the red alert lights on the Enterprise.

The flash of the alert lights slowed in tempo then faded.

The steady pulse of alert lights sprang into life across the bridge.

And here, in this substantial new crystal palace, the alert lights were almost impossible to see.

He went on with'his work until the alert lights in his office blinked flashing red.

He could hear no sound in the vacuum, but the alert lights flashed red.

They wheeled as the red glow of the alert lights filled the bridge.

Yellow alert lights flashed on automatically all around the bridge.