A protester holds stones as he stands opposite security forces during clashes in Tehran on December
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Standing up on Sunday in Tehran.

A protester holds stones as he stands opposite security forces during clashes in Tehran on December
AFP/Getty Images

Standing up on Sunday in Tehran.

Reports from Iran continue to paint a picture of massive protests in Tehran on Sunday that were met with brutal force by police and government-backed militia.

The latest word from the Associated Press is that "at least eight people were killed," including a nephew of opposition leader Mir Hossein Mousavi.

On Morning Edition, Borzou Daragahi of the Los Angeles Times, who has been talking with sources in Iran and is monitoring the reports from the streets that are appearing on Twitter, YouTube and other social networking sites, said "what we saw was a level of anger and daring and boldness on the part of the protesters that we haven't seen in a while":

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There have been periodic protests in Iran, of course, ever since that country's disputed presidential election in June — which many Iranians believe was rigged in favor of President Mahmoud Ahmadinejad.

In the Times this morning, Daragahi and correspondent Ramin Mostaghim write that:

The months-long confrontation between Iran's budding opposition movement and a hard-line government determined to stamp it out escalated sharply over the weekend, as parts of the capital became engulfed in fiery political protest and demonstrations broke out across the country on the occasion of an important Shiite religious holiday.

Today, NPR's Davar Iran Ardalan reports, there's word of new arrests of so-called opposition leaders in Iran — including former foreign minister Ebrahim Yazdi, who also was taken into custody last summer.