The year's first tennis Grand Slam, the Australian Open, starts on Monday with Serena Williams going for a record-equalling 24th Major title and Novak Djokovic seeking his eighth victory at Melbourne Park. Concerns over Australia's raging bushfires have dominated the build-up, and the build-up has been disrupted for two days in a row as smoke blows over Melbourne. We will move the following: Australia-fire-environment-climate-tennis-AUS,WRAP MELBOURNE Bushfire smoke disrupts the Australian Open build-up for a second straight day, with qualifying rounds delayed following a barrage of complaints about safety from international tennis players. 750 words 0330 GMT by William West. Picture Tennis-AUS-Open-women,PREVIEW MELBOURNE Serena Williams is ominously back to winning ways as she looks to finally complete her long quest for a record-equalling 24th Grand Slam title at the Australian Open. 650 words 0430 GMT. File picture We will also move: Tennis-AUS-Open-women-five,POINTS Already moved: Tennis-AUS-Open-fire,Q&A Tennis-AUS-Open-men,PREVIEW Tennis-AUS-Open-men,POINTS afp