An Italian journalist detained in Iran for three weeks and whose fate became intertwined with that of an Iranian engineer wanted by the United States was freed Wednesday and is heading home, Italian officials announced.

Italian journalist Cecilia Sala has arrived back in the country’s capital after being freed from an Iranian prison where she had spent weeks in detention.

Cecilia Sala, 29, was detained last month while on a reporting trip. She had been held for 20 days and told her family that she was kept in isolation.