An Italian journalist detained in Iran for three weeks has been freed and has returned home, after her fate had become intertwined with that of an Iranian engineer arrested in Italy and wanted by the United States.

Italian journalist Cecilia Sala was on a plane home Wednesday after being freed from an Iranian prison, the result of tireless diplomatic lobbying behind the scenes, the Italian government said.

The Italian journalist returned to Rome on Wednesday after weeks of diplomatic wrangling between Italy and Iran.