Iraqi police confirm three U.S. citizens missing in Baghdad
"We have no clear indication about the circumstances of their disappearance," a senior police officer said on condition of anonymity.
Two Iraqi army helicopters were seen hovering over the district while police SUVs patrolled the streets.
The U.S. State Department said on Sunday it was working with Iraqi authorities to locate Americans reported missing, without confirming that they had been kidnapped.
Dubai-based news channel Al Arabiya reported on Sunday that three U.S. nationals had been kidnapped in Dora on Friday. Citing its own sources, it said the Americans were "contractors or trainers" employed by U.S. companies at the Baghdad airport.
(Reporting by Saif Hameed and Ahmed Rasheed; Writing by Maher Chmaytelli; Editing by Andrew Heavens)