<strong>December 15:</strong> A woman runs to police officers after she escaped <a href='http://www.cnn.com/2014/12/14/world/gallery/sydney-police-operation/index.html' target='_blank'>a hostage situation at a Sydney cafe</a>. The siege ended with the death of the gunman and two of his hostages, but <a href='http://www.cnn.com/2014/12/16/world/asia/australia-sydney-cafe-siege-questions/index.html' target='_blank'>questions remain unanswered.</a>
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