Teacher arrested on suspicion of attempting to murder student
'Pupil murder bid' teacher held
A science teacher has been arrested on suspicion of attempted murder after a boy of 14 and two other pupils were hurt at a Nottinghamshire school.
Pupil Jack Waterhouse is said to be in a serious condition in hospital following the incident at All Saints' Roman Catholic School in Mansfield.
Science teacher Peter Harvey, 49, is being held in police custody.
Detectives have been granted extra time, until 2015 BST on Friday, in which to question him.
Det Supt Adrian Pearson said a weapon was used and there were a "number of witnesses".
Rad more @ BBC News