Thames Valley Police are set to make an announcement about missing woman Natalie Hemming this afternoon.
The force are holding a press conference at 12.45pm.
Natalie Hemming was last seen on Sunday (May 1) at around 3pm in Hemel Hempstead, and was wearing a blue top, blue jeans and a short black jacket.
The 31-year-old from Alderney Avenue, Newton Leys, was reported missing to police shortly after 4pm yesterday by a relative.
A 42-year-old man from Milton Keynes was arrested earlier today on suspicion of murder in connection with the investigation. He is currently in custody.