At first I heard or sensed, rather than saw, movement in the fog a few feet to my right.
He heard a sound to his immediate right and turned.
She heard a scream to her right and ran toward it.
A moment later, I heard the bolt strike to my right.
He heard water from a room to his right.
I heard then the faintest sound ahead of me to my right.
Much later he heard a sound to his right and looked up.
Barely had the official car stopped when both of them heard a noise to their right.
Once he heard a strange, complex chatter to his right.
She heard a sound again to her right, and headed for it.