A toxicologist from Leeds University has played down claims from Labour's shadow environment secretary Mary Creagh that the drug phenylbutazone causes cancer in humans.
Professor Alistair Hay said there is "no convincing evidence of carcinogenicity".
More top news
Danish inventor Peter Madsen has been charged with murdering Swedish journalist Kim Wall during a trip on his private submarine.
Hazardous Whirlpool tumble dryers have led to at least 750 fires since 2004, a House of Commons report said.