11.   The cause was not disclosed, but Prysock, who had lived in Bermuda for the last several years, was reported to be suffering from a prolonged illness.

12.   The cause was not disclosed by his wife, Julia.

13.   The cause was not disclosed.

14.   The family would not disclose the cause of death, saying only that it came after a long illness.

15.   The family did not disclose the cause of death, a spokesman for De Beers said.

16.   The hospital would not disclose the cause of death.

17.   The Russian Academy of Sciences announced his death but did not disclose the cause.

18.   The service did not disclose a cause of death.

19.   The sheriff confirmed that an autopsy had been performed, but he declined to disclose the cause of her death.

20.   The statement did not disclose the cause of his death, but Poher had been hospitalized for several months.