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.
More top news
Any mist or fog will clear during the morning to give another dry day with light winds and some sunny spells.
The bus was travelling along Hale Street when it collided with a number of stationary cars and a lamppost before crashing into Sainsburys.
Rescue teams dashed to Trinity Street in Coventry shortly after 6pm after the Stagecoach bus crashed into the front of the store.