Secretary of State at Defra, Owen Paterson, MP for North Shropshire, says sale of horse meat as beef was totally unacceptable.
He told the NFU conference in Birmingham.
"I am determined this criminal activity should be stopped."
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A man was stabbed in the leg during a large altercation in a pub.
Thick cloud with outbursts of rain will spread east as the night goes on.
Heavy bursts of rain will develop overnight, with some fog and mist.