On the road a lot today (over 460 miles driven...) so had the radio on a lot and have heard the story develop throughout the day.
No, *not* the grandparents house and *not* the grandparents. Found in the flat of a 39-year-old man, allegedly known to the step-father and allegedly a possible relative of step-father. The man has been arrested on suspicion of abduction. Girl found *hidden* in the base of a divan bed in said flat about a mile from her home, and she's been made subject to a Emergency Police Protection Order, so is currently *not* back home with mother/step-father/father. Tip off as to her whereabouts given to a missing persons' organisation which passed the info along to the police.
No doubt it'll all come out in the wash, so to speak. One can just hope that nothing awful has happened to the girl in the interim.