Robert Patman: International relations professor says China is thought to have a stockpile of 1500 nuclear warheads by 2030

Tensions between china and the west continue to heat up. The UK foreign secretary is expected to give a major speech this week, which will urge China to come clean about its "biggest military spend up in peacetime." It's thought China will have a stockpile of 1500 nuclear missile warheads by 2030. International relations professor at Otago University, Robert Patman, joined Kate Hawkesby. LISTEN ABOVE  See omnystudio.com/listener for privacy information.