Asked whether David Cameron felt the Government had "got a grip" of the horsemeat issue, the Prime Minister's official spokesman told reporters: "We have".
He added: "The Government, working with the FSA, is doing the right thing.
"He was referring to the process by which we have been putting in place, over the past few weeks since the first evidence was found of contamination, the appropriate measures."
Mr Cameron's assurance that there was "nothing unsafe" on supermarket shelves was based on "clear advice from the FSA and the Chief Medical Officer," said the spokesman.
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M&S chief executive, Steve Rowe, has decided to take a more aggressive approach.
People are being encouraged to leave tributes and messages on the trees, which are on a trail in the city close to Manchester Arena.
Another warm sunny day tomorrow with a few showers possible