Software company founder John McAfee was taken to hospital on Thursday after being denied political asylum in Guatemala.
McAfee told The Associated Press that he suffered chest pains overnight but didn't believe he had a heart attack.
A government doctor said he appeared to be suffering from high stress.
More top news
An emergency meeting will be held today to discuss the Scottish government's next steps following the UK's decision to leave the EU.
As Muse made their third headlining appearance at Glastonbury, Jess Glynne appeared for her debut while Damon Albarn also starred.
The Pentagon will announce the reversal of policy as soon as next month, US officials claimed.