The activists also wrote to United Nations special rapporteurs, independent experts who investigate human rights abuses worldwide.
CNN: Saudi activists say kingdom trying to silence them
2.
Meanwhile, the UN rapporteurs on housing, water, sanitation and food rights said there had been a "dramatic increase" in the demolitions this year.
BBC: US Secretary of State Hillary Clinton
3.
"They made some suggestions, including the possibility of inviting human rights rapporteurs to visit Iran to discuss specific themes such as the judicial system, " the diplomat said.