Hiding, waiting, too terrified to draw a breath for fear of alerting the hunter to her exact location.

Obviously the pilot of the first ship alerted his friends to our location.

Somehow, they had to get off this ship and alert the Enterprise to its location.

Plutonian is alerted to the heroes' hidden location and attacks them.

The Surfmen had made fires on the beach to alert any survivors to their location.

He wanted every effort made to ensure that nothing alerted the Kilo to their location.

Stryver double-crosses Kyle, but she uses the congressman's stolen phone to alert the police to their location.

He has decided not to contact the Palace by radio, because it might alert the rebels to his location.

If they do not turn it off remotely at the specified time, officers are alerted to their location.

I also told him to wave an article of clothing outside, thus alerting rescue workers to their location.