David Cameron's official spokesman has said the horsemeat contamination scandal is "an issue of significant public concern".
He confirmed Environment Secretary Owen Paterson and Health Secretary Jeremy Hunt met with Mr Cameron at Downing Street this morning to discuss the problem.
"The Prime Minister will want to keep very much up to speed with what is going on," he said, adding that Mr Cameron had full confidence in Mr Paterson's response.
"Yes, the Prime Minister's view is that the Secretary of State is doing the right thing," he said.
A leading food scientist says the rule change that sparked the horsemeat beef scandal affected lamb products too, and they should be tested.
Retailers and the Food Standards Agency held an emergency meeting today to decide how to proceed with the horsemeat scandal.
The government has called an emergency meeting with retailers and the Food Standards Agency to discuss the horsemeat scandal.