The Global Briefing: The world's biggest shipping organisations are warning that proposed transit charges through the Strait of Hormuz could rewrite international maritime law, drive up energy costs and disrupt global trade.

New Zealand's Prime Minister Christopher Luxon says he's open to holding a referendum on the country's electoral system, reopening a debate over whether proportional representation is still the best way to govern.

France is taking a firm stand against nuisance calls. From 11 August, unsolicited telemarketing calls will be banned unless consumers have given prior consent, under legislation backed by President Emmanuel Macron.

Guest: Dr Joan Swart - Researcher in Military Science at the University of Stellenbosch