The move triggered a special election on February 6, 2007.

We know that they trigger on the smell of blood.

It is triggered on the back edge of a pulse.

Other viruses, say some experts, might be triggered on 14 October for that reason.

This article triggered a worldwide debate on these "black sites."

Tiny jets had been triggered by the pressure of his body on the mattress.

Her words triggered something on the outer fringes of his mind.

This triggered a collapse of the entire scheme on August 11, 1887.

The action triggered a strike on June 24, 1983.

I triggered the switch on the case of the return time-helix.