Iran wraps up probe into detained US-Iranians by Stuart Williams Aug 12, 2007 Iran on Sunday said it had concluded the investigation into two US-Iranian academics detained for the past three months on charges of harming national security. Tehran's deputy prosecutor Hassan Hadad added that Middle East expert Haleh Esfandiari and urban planner Kian Tajbakhsh now had to do "written work" before a decision could be taken about their fate. Esfandiari and Tajbakhsh have been held in Tehran in Evin prison since their arrest in May, in a case that has further strained ties with between Iran and its arch-foe...