Five Americans wrongly detained in Iran are now free.
Qatar played a crucial role in brokering their release.
The US unfreezes $6 billion in Iranian funds as part of the deal.
The Americans were flown to Doha on a Qatari government jet.
This marks the end of years-long detainment, including some held for over five years.
Biden administration secured their release in a diplomatic breakthrough.
Funds transferred from South Korea to Qatar will be used for humanitarian purposes.
Deal also involves the release of five Iranians in US custody.
Negotiations took place indirectly through various intermediaries.
Families had pleaded for their release, and it finally materialized.