Transcript for What to know about Turkey’s push into Syria
the fight against ISIS, thanks very much. Let's bring in Martha Raddatz for more on this, and, Martha, as Ian noted, the big danger here, what happens to all those ISIS detainee, especially in the wake of the Turkish president's new threat to flood Europe with refugees? Reporter: Exactly, George. The U.S. Military is moving those ISIS detainees the most dangerous to U.S. Facilities in Iraq. Those detainees do include the British ISIS fighters deemed the beatles by their hostages because of their accents. Those men were directly responsible for the execution of journalist James Foley among others. But there are 11,000 ISIS detainees who could escape in this chaos and spread out in the region or target the west. That's the real danger, George. The president's policy has been getting a bipartisan blasting from congress even from some of his strongest allies and now Republicans and Democrats coming together with a threat to sanction Turkey if they continue with this invasion. Reporter: They are, there is bipartisan outrage on the hill including from some of the president's closest allies like Lindsey graham. Graham and Democrat Chris van Hollen have announced a framework of sanctions against Turkey which would cut military assistance to Turkey and target political leaders including Turkey's president. The fear is that ISIS resurgence, graham even comparing trump to president Obama when he pulled the troops from Iraq. And, Martha, you're in touch with so many in the military. What's the reaction inside to these latest moves. Reporter: Oh, George, this is absolutely gut wrenching inside the special operations community to have to watch the men and women who they have partnered with in the fight against ISIS be abandoned. There is real anger among these U.S. Special operators who see it as dishonorable and this is not because the military wants to stay in Syria forever. It is how this was done, abruptly against the advice of senior people and with no regard for consequences for those we leave behind, George. What an extraordinary and dangerous situation. Thanks very much. Won't take long to escalate. President trump's phone call
This transcript has been automatically generated and may not be 100% accurate.