Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-6:30pm ET on CNN.
An officer is in critical condition after suffering a hatchet wound to the head in what the NYPD call a terrorist attack.
Journalist Cormac Mac Sweeney shares his experience from the Ottawa shooting and how the shooter might've gotten in.
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
Wolf Blitzer talks to Deputy National Security Adviser Ben Rhodes about the fight against ISIS.
Gavin Macgregor-Skinner and Dr. Seema Yasmin are asked why new Ebola protocols weren't in place to begin with.
Wolf Blitzer talks to the State Department spokeswoman, Marie Harf, about Belize rejecting a possible Ebola patient in their country.
A federal official says the CDC will issue new protective equipment guidelines. Dr. Sanjay Gupta has more.
Sources tell journalist Coy Barefoot that searchers looking for Hannah Graham will dig at a spot flagged by search dogs.
Rep. Peter King discusses the federal response to Ebola in the U.S. and President Obama's appointment of an "Ebola czar".