1.   A security guard with a bull horn announces that yellow and orange are sold out.

2.   His most direct walk home would have been through Sproul Plaza, where free-speech proponents addressed students through bull horns.

3.   I run into the guard with the bull horn.

4.   Outside the Walls Unit, a small band of demonstrators shouted anti-death penalty slogans through a bull horn.

5.   Dozens of police and fire officials used bull horns and went door-to-door trying to clear the town and shut down all entrances to the city.

6.   Jim Ballor has managed to avoid bull horns, but he broke a leg because of a panicked young American.

7.   Several windows were shattered as riot police blocked entry to the building and used a bull horn to plead for calm.

8.   The Institute had to post a security guard with a bull horn outside to control the sometimes hostile crowd of art lovers.

9.   Weizman, ringed by police for protection, grabbed a bull horn from one of the officers to address the crowd.

10.   The engravings include stylised bull horns, harnesses, daggers, billhooks, tools, acorn cups and chequer designs.