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President Hollande: 'We must act'

French President Francois Hollande meets with world leaders, including President Obama, this week in ramped-up efforts against ISIS.
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Police hunt ISIS "Voice of death"

Police are hunting for the French-speaking ISIS operative Fabien Clain. He is believed to have directed the Paris attacks. CNN's Brian Todd reports.
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Possible suicide vest found near Paris

The manhunt continues for the eighth ISIS terror suspect. Police in France found a possible suicide device that reportedly contains the same type of explosive used in the Paris attacks. CNN's Pamela Brown reports.
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Paris attack suspects still at large

French authorities are still looking for two associates of Abdelhamid Abaaoud's who helped carry out the Paris terror attacks. CNN's Brian Todd reports.
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ISIS video makes threat against New York

ISIS is circulating a video that suggest they are targeting New York. CNN's Jim Sciutto reports that the video cannot be verified, but authorities are taking it seriously.
Kashmiri demonstrators hold up a flag of the Islamic State of Iraq and the Levant (ISIL) during a demonstration against Israeli military operations in Gaza, in downtown Srinagar on July 18, 2014.

ISIS used encryption to hide

As the hunt for possible suspects in the Paris attacks continue, officials say ISIS is using encrypted communications to foil intelligence agencies. CNN's Brian Todd reports.
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Ben Carson is winning in the polls

Move over Donald Trump, Ben Carson is now polling as the front runner for the Republican presidential candidates. CNN's Sara Murray reports.