US Seeks to Reassure China on Thaad

The missile defence system being deployed in South Korea to counter North Korea is rubbing China the wrong way, we'll find out why.

We'll hear from the lawyer Amal Clooney on why she's calling for a formal investigation into so-called Islamic State for the crime of genocide on Yazidis in Iraq.

And we'll examine measures being taken to tackle air pollution as the World Health Organisation reveals up to 92% of the world's population are exposed to dirty air.