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
A dry night ahead, with any showers fading away.
Global warming and a strong El Nino weather system has sparked mass coral bleaching, experts warn.
Much of the commentary online focused on Chris Evan's co-host and former Friend's actor Matt LeBlanc.