Mrs Sharp, wearing a campaign T-shirt, was escorted from the house by an officer and driven away.
She made no comment.
Police have launched a murder inquiry after a body was found at the home of Tia Sharp’s grandmother.
The worried family of Tia Sharp have renewed their pleas for her to return home as the search for the missing schoolgirl reaches one-week.
Police from the force that investigated the kidnapping of Shannon Matthews are now involved in the search for missing schoolgirl Tia Sharp