Police investigating the disappearance of an award-winning make-up artist have been given more time to question a man arrested on suspicion of murdering her.
Diane Chenery-Wickens, 48, from Duddleswell, East Sussex, travelled from East Grinstead to London by train with her husband, David, on 24 January.
She was due to meet him after a meeting at the BBC but did not arrive.
Police arrested a 51-year-old man on Thursday and on Saturday afternoon were given 36 hours extra to quiz him.
They had already been given one extension, which would have run until Sunday morning, but the deadline is now due to expire in the early hours of Monday.
Car removed
Police dog handlers have searched areas of the Ashdown Forest near Mrs Chenery-Wickens' home.
On Saturday police searched land around the home and entered the property in the afternoon.
Fingertip searches have taken place in the house, garden and grounds.
A tanker was brought in to pump out a waste tank in the garden and a car was removed from the house on a trailer.
Sussex Police have not revealed what the searches have uncovered.
Bafta-nominated Mrs Chenery-Wickens has worked for more than 20 years on some of television's best-known shows, including the League of Gentleman, Casualty, Pride and Prejudice and Dead Ringers.
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