UPDATE 1930 GMT: A CNN journalist claims, "Senior US source says Oman paid Iran bail for US hiker Sarah Shourd. Shourd flew from Iran to Oman, who has been working issue for some time."
UPDATE 1800 GMT: Before she flew out of Tehran's Mehrabad Airport, Sarah Shourd told Press TV, "I want to really offer my thanks to everyone in the world, all of the governments, all of the people, that have been involved, and especially, particularly want to address President Ahmadinejad and all of the Iranian officials, the religious leaders, and thank them for this humanitarian gesture. I'm grateful and I'm very humbled by this moment."
UPDATE 1630 GMT: The families of the three US hikers who were detained in July 2009 --- Sarah Shourd, Shane Fattal, and Josh Bauer --- have issued a statement: