Iran police 'detain Tehran protesters'

Iranian riot police detained dozens of pro-reform protesters in central Tehran today, a witness said.

The witness said the protesters were chanting slogans against President Mahmoud Ahmadinejad and the government, including: "Ahmadinejad - resign, resign" and "Death to the dictator".

The witness added: "Riot police are taking dozens of protesters into their cars and they are taking them away."