"Today was a gut punch," says Iraq war veteran Paul Rieckhoff of the deadly attacks in Afghanistan. "It's one of the most dark and tragic days of the modern military that I can remember... we were watching it unfold. It felt like we could feel it coming and we dreaded that it could come and today it came." | CNN

CNN's Clarissa Ward reports from Iraq's Kurdish region, where flames and smoke can be seen near the Erbil Air Base, which hosts a contingent of US troops. Follow live updates: https://cnn.it/46vVVvM | CNN International