Dame Sally Davies says that there is nothing to suggest a safety risk to humans who have eaten horse meat containing bute, but acknowledges that the chemical does present a minor health risk. She says it is right that bute is banned from the UK food chain. Her full statement can be found here.
Full statement from slaughterers L J Potter, who use the Taunton abattoir where traces of the horse painkiller "bute" were found in meat
Horse meat containing the chemical bute may have entered the French food chain. It has been traced to a Taunton slaughterhouse.