Protesters in this footage chant "We are ready to lay our lives, We are all Babak's Soldiers" - Babak being the National hero of Iran from the Azeri province who resisted the Arab invasion for 22 years.
Youth who had participated in the protests are tracked down and arrested
So far the German Green Party, has issued a statement condemning the Iranian government's crackdown on protesters and its mismanagement of the lake. No word yet from UK environmental groups however. Perhaps Iranian activists should alert them to what is happening.