Reports of the Belgian tourist's statement caused the State Department Tuesday to express concern about the Americans' condition, saying they are "potentially in deplorable conditions" and demanding access to them.
"It is outrageous that Iran refuses to abide by international standards, international agreements in terms of treatment of those who are in their care. And we continue -- we will continue to press the Iranian government so that we can see for ourselves, you know, what the conditions of our citizens are." State Dept spokesman Philip J. Crowley said.
ABC News' Kirit Radia contribute to this report.