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CCTV footage showing the moments after a teacher attacked a pupil with a dumbbell in a Nottinghamshire school has been released.

Peter Harvey, 50, admitted causing grievous bodily harm but was cleared of a charge of attempted murder by a jury.

Nottingham Crown Court heard he snapped after the boy, 14, swore at him at All Saints' Roman Catholic School, Mansfield.

The boy suffered a fractured skull in the attack.

Following a trial, Harvey was also cleared of a charge of intending to cause grievous bodily harm.

'As if possessed'

The court heard he chased the boy round the classroom, grabbed him and dragged him down a corridor to the storeroom.

The footage, which has been released by the Crown Prosecution Service, shows the boy's classmates crowding around the room as Harvey carried out the attack with a 3kg (6.6lb) weight.

It then shows the 50-year-old teacher throwing the dumbell out of the classroom before emerging from the room.

Witnesses described him as acting "as if possessed" but Harvey said he felt "peaceful" during the attack and as if he was watching himself on television.

The court heard Harvey had returned to work after being signed off with depression and stress for several months.

He had been mocked by pupils calling him a "psycho" in the moments before the attack, the jury was told.

Nottinghamshire County Council said the school governors were currently considering Harvey's future.