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I'm Helena Merriman and in a new BBC series,
I'm talking to the reporters who first covered this story.
What did they miss the first time?
The History Bureau, Putin and the apartment bombs.
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Welcome to NewsHour on the BBC World Service with me, Gary O'Donohue.
We begin, of course, in Iran, where protests have continued in the country,
with some human rights groups suggesting that the numbers of those killed and injured are likely to be much higher than previously thought.
The government has announced three days of mourning for what it calls the martyrs who have been killed or injured in the process,
according to state TV, along with a call for pro-government marches to be held.
Iran's rule have also said they would retaliate should the threat to intervene from Donald Trump materialise.
Let's start in Mashhad,
a city in the northeast of the country where protesters hid behind barricades as security forces fired shots from a footbridge.
And these are the sounds of protesters in Tehran, the capital,
on Saturday evening, chanting slogans demanding the end of clerical rule.
Well, today the Iranian president, Masoud Pajeskyan, has been speaking on state TV.
The United States and Israel are sitting there, giving instructions to these people,
telling them, go ahead, we're backing you.
The same ones who struck this country and killed our young people and our children,