1.   Levin was knocked unconscious by the impact.

2.   There was a fight, and Mark was knocked unconscious.

3.   Someone had knocked him unconscious.

4.   A survivor was knocked unconscious when the helicopter ditched.

5.   He was knocked unconscious by a fall.

6.   A watchmaker needed thirteen stitches after being knocked unconscious in an unprovoked attack.

7.   But admitted Marc could have been knocked unconscious before the fire.

8.   His wife was thrown across a room and knocked unconscious.

9.   And the sister of a former Dolphins assistant was knocked unconscious by an flying aerosol can.

10.   And unlike football, boxing or auto racing, nobody bleeds, breaks a bone, gets knocked unconscious or crashes into a wall.