‘The streets are full of blood’: Iranian protests gather momentum as regime cracks down

Demonstrators recount experiences on the frontlines as protest movement rapidly moves beyond government's control

• Iran warns US against attack as protest death toll reportedly soars

Sarah felt she had little left to lose. A 50-year-old entrepreneur in Tehran, she watched as prices soared higher while her freedoms shrank each year.

So, when protesters started gathering in the high-end Andarzgoo neighbourhood of Tehran on Saturday night, she was quick to join them. In a video sent to the Guardian via her cousin who lives abroad, people walk through the street, joyous, despite a halo of teargas hanging over their heads.