North Korea says did not hack Sony, wants joint probe with U.S.
Turkish riot police use water cannons, smoke grenades on protesting teachers
Pakistan resumes prisoner executions in wake of school massacre
Sony defends decision to cancel film release
Condemnation of school attack gathers momentum in Pakistan
Protesters target Acapulco mayor over missing students
Mother of dead children arrested for murder
NYC rally supporting law enforcement butts heads with opposing protesters
Waiting for help in eastern Sierra Leone
Obama: Sony 'made a mistake'
Obama vows response to North Korea over attack
Ukraine's children of war