U.S. forces and their Iraqi counterparts have trained about 2,000 Sunni fighters in Iraq as part of efforts to defeat ISIS, a senior U.S. official said Tuesday.

Iraq’s government is seeking to form a “bridging entity” where Sunnis tribesmen defend their provinces before they are brought into an Iraqi national force, the State Department official told reporters on condition of anonymity.

The official disclosed the information as U.S. Secretary of State John Kerry prepared Wednesday to host talks in Brussels with foreign ministers from scores of countries which are trying to help defeat ISIS. The official said the training was occurring at Al-Asad air base in Anbar province and elsewhere. […]