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18.06 Reporting restrictions make verification virtually impossible but it does seem that there have been outbreaks of sustained violence in the Iranian capital today. Associated Press is now also reporting that witnesses have seen protesters involved in clashes with Iranian riot police near Iran's parliament in Tehran.

17.41 The Islamic Republic of Iran announced today that it is considering downgrading its diplomatic ties to Britain, it looks as though Britain may be on the was to vying with America as Iran’s “Great Satan.”.

17.30 One Facebook user in Iran is reporting a rumour that: "They have ordered the general hospitals not to confirm the shot guns or baton injuries by Revolutionary Guards & basij militia"

17.13 Huffington Post has uploaded a compelling interview broadcast on CNN today. A female student from Tehran describes what she says was a bloody crackdown by militia wielding batons and bats that she witnessed first hand - she claims that people were thrown off a bridge and beaten until they were drenched in blood.

16.49 Reuters is reporting that today's protest was only attended by around 200 protesters - signs that the regime has succeeded in quashing the mass demonstrators.

16.12 One of the regular bloggers has just gone off-line as reports suggest that the authorities have found new ways to track those posting news from Tehran: "rumour they are tracking high use of phone lines to find internet users - must move from here now."

15.51 Unconfirmed reports from bloggers inside Iran are claiming that at least three people have been shot as they protest against the disputed presidential election.

15.35 It is impossible to verify reports from Twitter, but people whose reports have appeared reliable before today are describing a terrifying scene: "all shops was closed - nowhere to go - they follow ppls with helicopters - smoke and fire is everywhere".

15.22 Reports from Baharestan, where today's protest is taking place, are worsening all the time. "I see many ppl with broken arms/legs/heads - blood everywhere - pepper gas like war . . . they were waiting for us - they all have guns and riot uniforms - it was like a mouse trap - ppl being shot like animals"

14.31 Reports now suggest that phone signal has gone down in the area surrounding the protest.

14.17 The wife of Iran’s opposition leader said the government crackdown amounted to military rule. Zahra Rahnavard, who campaigned beside her husband, Mir Hossein Mousavi says it is “as if martial law has been imposed in the streets”.

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