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President Obama is sending up to 1,500 more soldiers to Iraq to train Iraqi and Kurdish forces. Jim Sciutto reports.
President Obama sends a letter to Iran's Supreme Leader seeking cooperation against ISIS. Jim Sciutto reports.
400 Sunni tribesmen who had taken up arms against ISIS, were killed in the last 48 hours according to tribal leaders. Jim Sciutto reports.
Watch CNN's full interview with Matt Olsen during "The Situation Room," airing from 5-7 p.m. ET.
The former head of U.S. counterterror operations said Tuesday the "imminent threat" posed by an al Qaeda offshoot in Syria hasn't lessened after a U.S. air campaign there.
Speaking to CNN's Jim Sciutto, Matt Olsen said by his analysis the threat from the Khorasan group "is still in the same place as it was before" President Barack Obama ordered airstrikes against the terror operation last month. Full story
As ISIS descends on Kobani near the Syria-Turkey border, Turkey says it won't go at it alone fighting ISIS on the ground.
A city on the Turkey-Syria border may fall to ISIS, bus U.S. airstrikes continue to target ISIS' operating headquarters.
ISIS continues to hold territory as airstrikes continue in Syria. Jim Sciutto has the latest.