The Pentagon acknowledged Tuesday that a “handful” of Iran-backed Shiite militia fighters are sharing an Iraqi base in Anbar province where U.S. troops are also stationed.

Pentagon spokesman Army Col. Steve Warren said the number of militiamen at the Taqaddum air base in Anbar is in the “low double digits” and they have no interaction with American forces.

“There are some individuals who are working, serving in sort of a liaison capacity, who are members of Shia militias,” Warren said Tuesday. […]