United States announces new sanctions against Iran

As the United States announces new sanctions against Iranians responsible for a crackdown on nationwide protests.

The UN Secretary-General Antonio Guterres warns world's leaders they have to cut global emissions or there'll be a catastrophe. We take a look at the UN report and the urgent action needed

Just days away from the crucial run-off vote in Brazil's presidential election, our correspondent reports from the North-east of the country, where poverty is boosting the left-wing vote.