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The mothers of three Americans held captive in Iran have recorded video messages they hope Iranian authorities will deliver to their children.
The mothers of Shane Bauer, Nora Shourd and Josh Fattal ask their kids to stay positive and express hope authorities will take mercy on them.
The video can be seen at .
The three were detained in July after straying across the border from Iraq. Their families say they were hiking, but an Iranian prosecutor recently accused them of espionage.
