According to BBC, news agency AFP quoted Saberi as saying: "I'm OK. I don't want to make any comments but I am OK."
The first to report the news on Twitter was Lily Mazahery, a human rights attorney, who also broke the news of the execution of Delara Darabi on May 1.
For others, Steven Herman (@W7VOA), a South Asia correspondent for Voice of America broke the news, just moments after Mazahery. Thousands of "Roxana Saberi" tweets followed, as she jumped to the No. 6 Twitter trend.
Most tweets on Saberi's release this morning were brief, with "glad" and "happy" the most common responses. A few Twitterers expanded on their thoughts: