U.S. lawmakers on Sunday stepped up calls for congressional authorization of President Barack Obama's war against Islamic State militants in Iraq and Syria, amid signs the United States and its allies face a long and difficult fight.
U.S. intelligence agencies underestimated Islamic State activity inside Syria, which has become "ground zero" for jihadists worldwide, President Barack Obama said in a CBS television interview broadcast on Sunday.
Thousands of Muslims gathered across France on Friday to denounce the beheading of tourist Herve Gourdel by militants in Algeria who said their act was a response to French strikes against Islamic State fighters.
A warning by Iraq's prime minister that Islamist militants planned to attack New York City sent political leaders scrambling on Thursday to assure the public it was safe to ride the subways and travel the streets of the nation's largest city.
