Heavy smoke from the Australian bushfires has forced some tennis players to pull out of warmup matches ahead of the Australian Open. Dalila Jakupovic pulled out of her qualifying match yesterday, and another match had to be abandoned as players struggle to compete in the smoky conditions.
The effects that air pollution from the bush blazes which are ravaging large parts of Australia is likely to remain a contentious issue. And to make sense of all this I'm joined from smoky Melbourne by DLI Sport's David Luddy