ITV News understands that Hans Rausing, one of UK's richest men and heir to the Tetra Pak drinks carton empire, has been arrested in connection with his wife's death after her body was found at their home in London.
In a statement, the police have said:
The man - who was further arrested in connection with the death whilst at a south London police station - is no longer at a police station, but is currently receiving medical attention. We are not prepared to discuss further regarding that matter.
Officers from the Homicide and Serious Crime Command are investigating, and the death continues to be treated at this time as unexplained.