- Trump allies ramp up efforts to unmask whistleblower The Australian
- Whistleblower's lawyer says CIA official will answer Republican questions The Guardian
- Trump impeachment: Whistleblower offered to communicate directly with Republicans after repeated attacks The Independent
- Ukraine whistleblower offers to answer questions directly from Republican members of Congress Telegraph.co.uk
- Trump wants whistleblower unmasked as mystery person agrees to answer GOP questions Daily Mail
- View full coverage on Google News
