A teacher from Derbyshire is being investigated after being caught on camera feeding a wild rat near the school kitchen.
The tutor at Springwell Community College in Staveley was filmed by a pupil who uploaded the video onto the internet.
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Around 40 operations have been cancelled after a rat was spotted in a Nottinghamshire hospital's operating theatre.
All operations were suspended for one day after the rat made its way into the theatre last Monday 29th October.
A King's Mill Hospital spokesperson said there is no cause for concern for patients as this was "a one off incident" and assures them that the area has since been fully sterilised.
Pest control was called in after the rodent was found in the decommissioned operating theatre.
The hospital has apologised for each of the 40 patients affected who have had their operations rescheduled.