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Fars news agency says the bomb was detonated at the northern wing of Imam Khomeini's shrine. The bomber was killed. #iranelection less than 10 seconds ago from web

We should try to petition government to get Basij listed as a terrorist organization. #IranElection less than 10 seconds ago from web

I AGREE!

@jimsciuttoABC: #iranelection Tweets report shooting as well and explosion at Khomeini tomb less than 5 seconds ago from TwitterFon

@NEWS LTD> WTF are you coming to my blog for?
I still haven't forgotten Wapping!
Anything you take from here I would like a credit for thanx and that's Ms. Mona Street to you!

2.15pm:
Witnesses: police using tear gas, water cannons to disperse thousands of protesters in Tehran, says a flash on AP.

@TheGuardian

RT @LaraABC NewsReports of thousands protesting, police using tear gas & water cannons. Hard to.... confirm arrested. #Iranelection less than 10 seconds ago from web

Iran State TV reporting twin blasts in Tehran, relayed by the CNN #Iranelection less than 10 seconds ago from web

?

9:01 AM ET -- "Rocks and fire." Another reliable Iranian has sent 3 messages in the last 7 minutes:

-- "HARD conflict between the people and the Special Guard. people: down with khamenee"

-- "Heavy clashes on azadi street, chants of death to khameni! The street is full of rocks and fire."

-- "Voice of shooting in Azadi street in Tehran"

For Persian speakers: a live stream of BBC Persia is here.
@HuffPo