1.  A flick of a switch and the flashing blue lights and two-tone horns shatter the relative peace of the night.

2.  Ahead of him blue light shone out of the open hatchway.

3.  Already the moon was up, a full moon bathing everything in a pale blue light.

4.  As she approached, she could see three blue lights flashing in the gathering gloom.

5.  Blue light, and silver and bronze, streamed and bounced and danced through tall windows.

6.  But the team, with their sirens and blue lights on full blast, raced on unaware of their own emergency.

7.  Christmas morning I woke with the first blue light.

8.  Even the water tower in Addison, a northern suburb, is bathed in blue light.

9.  Flashing blue lights heralded the arrival of the police.

10.  I would be washed clean by the brilliant blue light, by the warm, golden sun.