President Trump announces tariffs on Iran

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President Trump has said that any country doing business with Iran will pay a tariff of 25 per cent on all business with the US. We also hear from an Iranian living in the UK who has just returned from Tehran, where she joined protestors on the streets. And as the UK government says it's concerned about the amount of time under fives are spending on screens, we look at how the content they're seeing and its impact on them is changing.