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.
As ISIS descends on Kobani near the Syria-Turkey border, Turkey says it won't go at it alone fighting ISIS on the ground.
U.S. officials tell CNN Turkey's lack of action on the ground against ISIS is frustrating. Elise Labott reports.
A city on the Turkey-Syria border may fall to ISIS, bus U.S. airstrikes continue to target ISIS' operating headquarters.
Vice President Joe Biden is sorry for saying U.S. allies helped ISIS advance. Elise Labott has more. Full story
One of the protesters in Istanbul's Gezi Park explains why she became involved and what Turkish leaders should do next.
RELATED STORY: Turkey's challenge: Find compromise before violence expands
CNN's Nick Paton Walsh grabs a gas mask as Turkish police officers spray Istanbul's Taksim Square with tear gas.
RELATED STORY: Protest leaders bail out of talks with Turkish PM after clashes
Gov. Rick Perry tells CNN's Wolf Blitzer he is standing by comments that Turkey is run by Islamic terrorists.
RELATED STORY: Turkey responds angrily to Perry remarks
(CNN) - A 5.7-magnitude earthquake struck eastern Turkey Wednesday night, according to the U.S. Geological Survey.
The epicenter was 16 kilometers (9 miles) south of the town of Van, the USGS said, and its depth was 4.8 kilometers (3 miles). The quake hit at 9:23 p.m. (2:23 p.m. ET), it said.
At least 18 buildings have collapsed in Van, including two hotels and one school, according to Turkish state broadcaster TRT.