ISIS militants at al-Sharqat base north of Tikrit, Iraq. The al-Qaida-linked group has captured Mosul as well as Tikrit. This image came from a video posted by IraqiRevolution, a group that supports ISIS. AP hide caption itoggle caption AP The Two-Way Obama: Options Open For Response To Militant Gains In Iraq June 12, 2014 Al-Qaida-linked fighters have taken Mosul and Tikrit, while Kurdish fighters have seized Kirkuk. President Obama says he hasn't ruled out any options for a U.S. response.