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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Stella Manzie will take over after running the council until a permanent chief executive is found.
It comes after months of protests following United Lincolnshire Hospitals NHS Trust's (ULHT) decision to close the unit overnight.
The attacker made a swipe at her handbag, causing the victim to lose balance and fall to the floor.