Three U.S. citizens who disappeared last week in Baghdad were kidnapped and are being held by an Iranian-backed Shi’ite militia, two Iraqi intelligence and two U.S. government sources said on Tuesday.

Unknown gunmen seized the three on Friday from a private residence in the southeastern Dora district of Baghdad, Iraqi officials say. They are the first Americans to be abducted in Iraq since the withdrawal of U.S. troops in 2011.

The U.S. sources said Washington had no reason to believe Tehran was involved in the kidnapping and did not believe the trio were being held in Iran, which borders Iraq.

Read the article “Americans Missing in Baghdad Kidnapped by Iran-Backed Militia” on reuters.com.