Kamala Harris secures enough support from delegates to be Democratic nominee

The US vice president Kamala Harris has received the endorsement of a majority of Democratic delegates to become the party's nominee for president. So, barring a political earthquake, she will face Donald Trump in November's election.

We'll hear from the West Bank in the Middle East where Palestinian farmers say they are being threatened by Israeli settlers.

We'll also hear about a revolutionary drug that could end HIV infection.