New Delhi, April 2 -- An American journalist was kidnapped Tuesday in Baghdad and Iraqi security forces are pursuing her captors, Iraqi officials said. The journalist was identified as freelancer Shelly Kittleson by one of the outlets she worked for.

A U.S. official blamed the Iran-backed Iraqi militia Kataib Hezbollah.

The Iraqi interior ministry confirmed a foreign journalist had been kidnapped but didn't give more details. Two Iraqi security officials, who spoke on condition of anonymity because they were not authorized to speak publicly about the case, said the kidnapped journalist is a woman and a U.S. citizen.

They said that two cars were involved in the kidnapping, one of which crashed while being pursued near the town of Al-Has...