Even the simplest device — a red emergency button — had failed her.

An exchange of blows followed, forcing the driver to push the emergency button to alert security officers, who broke up the scuffle.

He had reached over his stable door, broken the glass window and activated the emergency button.

As soon as you send attention to a sense, the amygdala (your 'fight or flight' emergency button) calms down.

Now it's looking unlikely we'd have any romance on the cards — so we've hit the emergency button.