Obama presses Iran to return four US citizens: statement

US President Barack Obama today urged Tehran to return four US citizens captive or missing in Iran, the latest direct message to the country's leaders and citizens.
"(I) call on the government of the Islamic Republic of Iran to immediately release Saeed Abedini, Amir Hekmati and Jason Rezaian and to work cooperatively with us to find Robert Levinson so that they all can be safely reunited with their families as soon as possible," Obama said.