Misleading headline. As I read it, they are NOT out of the country yet.
They aren't, even the terrorist loving BBC says (in the link from post 24 )
"They are expected to be handed to the British embassy in Tehran on Thursday morning before flying home.
It's already Thursday, about 2:30 AM there now, but not yet morning. "Morning" doesn't end until noon, 4:30 EDT. We shall see.