Prominent Democrats are warning President Obama against following a set timeline for pulling U.S. troops out of Afghanistan.

After witnessing the Islamic State of Iraq and Syria’s violent sweep across Iraq over the past year after U.S. troops pulled out, some top Democrats are pressing Obama to allow conditions in Afghanistan to dictate how many troops remain in the country, although the White House is sticking to its plan.

Sen. Dianne Feinstein, D-Calif., the ranking member of the Senate Intelligence Committee, on Wednesday voiced deep concern about any plan to reduce the U.S. military footprint in Afghanistan too quickly.

“If we haven’t learned about too fast a withdrawal from what’s happened in Iraq and the dissolution of the Iraqi forces in the face of an attack by [the Islamic State], that would be of serious concern,” she told the Washington Examiner.

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