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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Facebook founder Mark Zuckerberg and his wife Priscilla Chan have announced the arrival of their baby daughter, Max.
At least 300 people are actively promoting and recruiting for the terror group from within the United States, academics have found.
Hollywood film director and actor Steven Seagal has been asked to train Serbian special forces in martial arts.