On 16 June 2009, four days after the disputed presidential election, it was reported that Hajjarian had been arrested. It was reported that he died in Evin prison under torture on 7 July. However, it was later added that he was still alive but had suffered a nervous breakdown on 8 July and was in critical condition in a military hospital in Tehran. Later, there were reports that he was still in Evin Prison, possibly in a clinic there, and that according to his wife, physician Vajiheh Marsoussi, his medical condition was "deteriorating severely" while in prison.