The British Government is warning that horsemeat could be discovered in more products.
Officials called food suppliers and producers together yesterday to ask them to conduct new tests to try to find out the scale of the problem.
The Environment Secretary says he is now investigating to see if a criminal conspiracy was behind the scandal.
Romania has announced its own inquiry amid the suspicions of criminal activity.
It comes after Findus, whose products were on sale across Europe, says it is planning to take legal action and sue its Romanian supplier if they are found to be liable.
Food industry expert in the UK, Jane Milton, says if the scandal is a result of criminal activity it would be reassuring: