It's a little past 8 a.m. ET, and the summit has begun. Up first, the United Kingdom's Prime Minister David Cameron and NATO Secretary-General Anders Fogh Rasmussen. Then, a session that focuses on Afghanistan. Cameron said in his remarks that the UK remains "fully committed" to Afghanistan and believes that there should be help given to the Afghan people to prevent their nation from becoming a "haven for terrorists."
CNN's Nic Robertson is at the summit, talking about ISIS and a possible #ceasefire between Ukraine and Russia.
The sound of a thousand cameras clicking -- NATO leaders pose for photos.
NATO Secretary-General Anders Fogh Rasmussen slams Russia.
CNN's Nic Robertson on ISIS' brutal recruitment tactics
Who is NATO dealing with? Go inside the mind of an ISIS fighter and find out:
U.S. Secretary of Defense Chuck Hagel: "Destroy and degrade" ISIS.
U.S. Sen. Kelly Ayotte calls Russian President Vladimir Putin a "bully" and says NATO must act strongly or there will be consequences for years to come.
CNN senior White House correspondent Jim Acosta tweets that U.S. Deputy National Security Adviser Ben Rhodes says NATO agrees about a plan to combat ISIS, but Obama wants to talk with U.S. Secretary of State John Kerry and U.S. Secretary of Defense Chuck Hagel.