As ISIS insurgents continue to take over key cities in Iraq, a threat against New York City from the group's leader has emerged.

Back in 2009 when Abu Bakr al-Baghdadi was released from custody, he reportedly said "I'll see you guys in New York."  That's raised big concerns that ISIS could have its sights set on New York, if it continues to have success in Iraq.

It has caught the attention of Mayor Bill de Blasio.

"We're certainly aware of the statements that he made," de Blasio said.  "We don't take any threat lightly.  I've said many times, we know we are sadly the number one terror target in the world."

The insurgent group has continued to move through Iraq, capturing key cities around the country and moving within a few dozen miles of Baghdad.

"We're quite aware of the growth of this organization and it's something that I talk to Commissioner Bratton about regularly," de Blasio said.

President Obama continues to review his options to deal with the unrest.  Upwards of 275 U.S. troops have already been sent to protect the embassy in Baghdad.


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