Teachers have been given the "green light" to "get tougher on discipline", an education minister told Daybreak.
Liz Truss said one third of teachers were "not sure" how to discipline children and the Government was supplying teachers with clear guidelines of what punishments could be administered.
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Andrew Nay smashed into a family's car with his 4x4 during a road rage chase leaving two young sisters paralysed, a court heard.
Susan Whiting was attacked with a blunt object at the couple's bungalow, wrapped in a shower curtain, and hidden under a bed.
Teenager TJ Khayatan carried out the prank at the San Francisco Museum of Modern Art - and later posted the results on Twitter.