The gunman at Arapahoe High School in Colorado was looking for a specific teacher when he was confronted by a student, local media has reported.
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Children in the North and the Midlands are less likely to get a good secondary education than those in the South, schools inspector to say.
Mild in the south but colder in the north tonight and turning frosty and icy - before rain moves in.
ITV News' Tom Brady speaks to billionaire philanthropist Bill Gates about clean energy sources and a new $7bn green tech research fund.