http://www.bbc.com/news/world-middle-east-36302405A spokesman of the Iranian Centre for Surveying and Combating Organised Cyber Crimes, Mostafa Alizadeh, said: "Sterilising popular cyberspaces is on our agenda.
"We carried out this plan in 2013 with Facebook, and now Instagram is the focus," he added, saying fresh operations would begin in the coming days.
This could very well backfire.
Quite a large number of young Iranians are pretty secular and have their eyes turned in a modern and western direction.
Their first thought is no likely to be: "Oh what a good thing to do. We feel much better now that these dear old gentlemen have taken care of our morale"
One of the arrested is supposed to be Elnaz Golrokh.
She did however post on Twitter 6 hours ago and has her location set at United Arab Emirates :
https://twitter.com/elnaz_golrokhOn instagram as well
https://www.instagram.com/elnaz_golrokh/(Of course you could say, that the latest picture was while wearing a scarf, or at least a scarfoid)