Teachers who are abused online by their own pupils "feel very personally hurt" by the vitriol directed at them on the internet, a headmaster of an east London school told Daybreak.
Ges Smith, the headmaster of a school in Walthamstow, said there were "two elements" to the effects of online abuse.
"One, it can be professionally and credibly damaging. And two, I have seen people who have been abused by young people online and they actually feel very personally hurt by it."
More top news
President Bashar al-Assad has said western leaders' "plotting against Syria" had failed and Islamic State is now expanding in his country.
Paid parental leave is to be extended to working grandparents under plans announced by George Osborne.
Tickets for next year's Glastonbury Festival in Somerset have sold out in just over thirty minutes.