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.
More top news
More than 300,000 copies of the magazine will be handed out at stations and universities from 18 September.
As the sisters prepare to meet again at Wimbledon - we look at the sisters' fact files and key career stats.
Australian sportswear firm Lorna Jane has come under scrutiny for its job advert for a model/receptionist.