Australia correspondent Karen Middleton

The Australian Government is accusing New Zealand of encouraging the people smuggling trade with its offer to take 150 refugees from Australia's offshore detention centres; the debate surrounding Australia Day heats up; a 52-year-old mystery involving the disappearance of three young children on a trip to an Adelaide beach in 1966 is back in the news; and temperatures in parts of eastern Australia have hit the high 30s after spiking in the past couple of weeks at almost 45 degrees in parts of Sydney's west.