An anti-Iran regime activist says deadly demonstrations there have become a fight for freedom. 

Hundreds of people have so far been killed amid a deadly crackdown on anti-Government protestors. 

President Donald Trump's warning the US is considering very strong options to intervene, and Iranian leaders are vowing to fight back if attacked. 

Anti-regime activist Leila Dadian told Andrew Dickens she hopes this is the end of Iran's Islamic Republic. 

She says the Iranian people have just one demand: democracy. 

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