Roundup: Djokovic sparkles in Australian Open return

MELBOURNE, Jan. 17 (Xinhua) -- Nine-time champion Novak Djokovic breezed through to the second round while women's No. 2 seed Ons Jabeur had a shaky start amid searing heat at the Australian Open on Tuesday.

Scorching weather on day two of competition forced the roof to be closed on the major courts, as temperatures in Melbourne reached 38 degrees celsius.

Play was halted on the outdoor courts and later s