Pentagon Papers whistleblower Daniel Ellsberg says he has terminal cancer

Former US government analyst announces on Twitter diagnosis with inoperable pancreatic cancer and says he has months to live

Daniel Ellsberg, who leaked the Pentagon Papers - which detailed secrets about US policy during the Vietnam war - and became one of the world's most famous whistleblowers, has terminal cancer and expects to die within months, he has announced on Twitter.

Ellsberg, 91, tweeted late on Thursday that doctors have diagnosed him with inoperable pancreatic cancer after he underwent a scan and magnetic resonance imaging (MRI) for an unrelated, relatively minor" medical issue.