LONDON (Reuters) - Britain is expanding meat testing to a wider range of products, including ready-made meals, as the scandal spreads over the sale of mislabeled horsemeat, the country's food regulatory agency said on Tuesday. The Food Standards Agency said that as well as its original plans to check 224 samples of raw beef products for horse and pork DNA, it was now overseeing the testing of 140 meals such as lasagne, cottage pie and ravioli. "This will give us a full a picture as we can possibly have," an FSA spokesman said. ...