This CCTV footage from All Saints Roman Catholic School in Mansfield shows the scene after a teacher, who was suffering from depression, attacked a 14-year-old pupil with a dumbbell.
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"It's the kind of verbal abuse you have to put up with now and again working at the weekend in the ambulance service."
It'll be another chilly day with patchy cloud and sunny spells. It will stay dry.
Some isolated wintry showers is possible over the Peak District.