MELBOURNE: Serena Williams remained on course for her 23rd grand slam title by quelling the challenge of in-form Briton Johanna Konta 6-2 6-3 to reach the semi-finals of the Australian Open for the eighth time on Wednesday.The 35-year-old American served up 10 aces and thumped 25 winners over 75 minutes on Rod Laver Arena to join sister Venus in the last four, where she will play 34-year-old Croatian Mirjana Lucic-Baroni.Ninth seed Konta, who reached the semi-finals here last year and won the Sydney warm-up tournament, managed a single break in the second set but was unable… Oscar 2017: Did you know Dev Patel is the third actor of Indian origin to have made it to the Oscars nominations?