Last Saturday, 12 political detainees in Evin Prison began a hunger strike, protesting the recent deaths of activists Haleh Sahabi and Hoda Saber and the general conditions for prisoners.
A campaign of support has arisen inside and outside Iran, featuring video messages to the hunger striker and to the general public.
Journalist Masih Alinejad, now living in exile in Britain:
Journalist Maziar Bahari, who was detained for four months after the 2009 Presidential election:
Other videos, including messages from cartoonist Nikahang Kowsar, lawyer and activist Mehranghiz Kar, and academic Hamid Dabashi, have been posted at Iranian.com.