German special police forces enter the Albert-Einstein gymnasium in Niederpleis a suburb of the town Sankt Augustin near Bonn May 11, 2009. An unidentified man entered the school on Monday and stabbed one student, German media reported. Reuters Pictures logo Reuters Pictures 33 months ago

German special police forces enter the Albert-Einstein gymnasium in Niederpleis a suburb of the town Sankt Augustin near Bonn May 11, 2009. An unidentified man entered the school on Monday and stabbed one student, German media reported.