The horsemeat scandal has prompted the Food Standards Agency to ask a number of local authorities to carry out random tests.
Staffordshire County Council have already removed all processed beef from their school menus.
Trading Standards officers in Leicestershire have now found traces of pork in beef products taken from supermarkets and takeaways.
Jane Hesketh reports.
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It will be largely cloudy through the evening and overnight in the west, with further spells of light rain or drizzle.
It will be cloudy this evening with occasional outbreaks of light rain at times before becoming drier later tonight.
Photos from the scene of a disturbance involving a group of men in Leicester after which a sixteen year old boy died.