Islamic Republic Officials including the leader of the regime Khamenei know about the imprisonment of these students and still try to ignor and keep silence about their situation. This is immoral , inhuman and continous crime against humanity.

Masoud Dehghan the imprisoned student is banned from the visiting rights!
Masoud Dehghan is one of the student of Polytechnic University who was arrested during the attack on Polytechnic University in April by the Islamic Republic.Mr. Dehghan is currently in solitary confinement cell number 209 in Evin prison.
Mr. Dehghan's mom who have gone to Evin prison to visit her son was told by the prison guards that her son is banned for visiting rights. This was happening while the court have told her she can visit her son on Saturday May 16.
During the attack on Polytechnic University many students were arrested , upto now , five have been released by bail but the following students are still in Ministry of Information prison:
Majid Tavakoli,Abbas Hakimzadeh, Mehdi Mashayekhi and Masoud Dehghan.

Link:

http://news.gooya.com/politics/archives/2009/05/087651.php