(Reuters) – Bayer AG has not proposed paying $8 billion to settle all U.S. claims related to the Roundup herbicide, mediator Ken Feinberg said in an email on Friday.

“Such a statement is pure fiction,” Feinberg said. “Compensation has not even been discussed in the global mediation discussions.”

Bayer acquired Roundup and other glyphosate-based weedkillers through its $63 billion takeover of Monsanto last year. It has faced a wide array of litigation over Roundup’s alleged cancer risks.

(Reporting by Jonathan Stempel in New York; Editing by Steve Orlofsky)