1.   At another home, Cook discovered mud tubes running between the wall and the back of a refrigerator after hearing the clicking sound of the insects.

2.   Ken Willis, president of the League of California Homeowners, recently discovered vinelike tubes growing through decorative wood trellises at his Upland home.

3.   Police investigating an extortion attempt against the Nestle food giant discovered a tube of mustard laced with cyanide and another poisoned product in two supermarkets Tuesday.

4.   According to the security officials, the container, known as a nuclear fuel assembly, had been cut open where the zirconium tube was discovered.

5.   Police investigating an alleged extortion attempt against the Nestle food giant discovered a tube of mustard laced with cyanide on a supermarket shelf Tuesday.