Green MP Caroline Lucas made the controversial proposal at the Oxford Farming Conference today.
"This isn't just you, but when anybody who wants a second referendum says that, it sends off red smoke in me..."
MPs and legal experts have criticised the Home Office, telling VICE there is "no lawful basis to make this kind of threat".
We catch up with the campaign and interview Caroline Lucas on our politics podcast: the British Dream.
According to the VICELAND Census, loads of you bloody love 'em!
Who's trying to be top Green?
Charlotte Rose is an escort, a "sexual trainer", an organizer of face-sitting protests, and now an independent political candidate.
All of a sudden, there are 44,000 Greens in Britain, but what's behind that massive surge in membership?
Revealed in emails obtained under freedom of information laws, the damage at the Preese Hall site has prompted calls for the practice to be abandoned.
Activists weren't given permission to prosecute two international arms companies.