TEHRAN (AFP) — Iran has arrested a founding member of Nobel laureate Shirin Ebadi's rights group amid a crackdown on critics following President Mahmoud Ahmadinejad's disputed re-election, a colleague told AFP on Thursday.

"Yesterday Mohammad Ali Dadkhah was arrested with a number of other lawyers at his office," said fellow lawyer Mohammad Seifzadeh, who is also a founding member of Ebadi's Human Rights Defenders Centre.