Lisa Marie Presley, singer and daughter of Elvis, dies aged 54

Lisa Marie Presley, the only child of rock 'n' roll legend Elvis, has died at the age of 54, her mother has said.

"It is with a heavy heart that I must share the devastating news that my beautiful daughter Lisa Marie has left us," Priscilla Presley said.

Lisa Marie, also a singer, was rushed to hospital earlier on Thursday. US media said she suffered cardiac arrest.

"She was the most passionate, strong and loving woman I have ever known," Priscilla said in a statement.

"We ask for privacy as we try to deal with this profound loss."