Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
Social media played a key role in the hostage situation in Sydney. Tom Foreman reports on the gunman's communication - and what he made hostages do.
CNN's Brian Todd talks with veteran hostage negotiators about the standoff tactics used during the hostage situation in Sydney, Australia.
New York police officials say two cops were assaulted during protests, and they are now looking for six individuals.