In today's episode, experts in safety and hostility training are sceptical about the government's potential plans to give people the power to detain fellow citizens, Australian Defence officials believe a Chinese nuclear-powered submarine is accompanying its flotilla of naval ships in the Tasman Sea, international tourist spending has finally returned to pre-COVID levels according to new data, and data from the Real Estate Institute shows the cheapest houses in the country in January were in the West Coast of the South Island, where the median price for the month was $375,000.