Pictures from inside the Sandy Hook Elementary School released by Connecticut authorities show how Adam Lanza shot his way into the school building through a glass window.
He went on to kill 26 people, including 20 children.
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It will be a mainly dry but chilly start across the UK with a few showers across northern Scotland and northwest England.
Marks and Spencer will become the first UK retailer to add vitamin D to its entire packaged bread range.
An over-the-top 80's action movie parody featuring kung fu Hitler and a David Hasselhoff soundtrack gets almost four million views online.