North Sound [Antigua and Barbuda], June 21 (ANI): Australia speedster Pat Cummins said that he had no idea he had accomplished the feat of becoming the second Australian bowler to score a hat-trick in T20 World Cups before it came on the screen. David Warner’s 34-ball fifty and Cummins’ hat-trick headlined Australia’s breezy 28-run victory over Bangladesh via DLS method in the rain-curtailed clash in the Super 8 match of the ongoing ICC T20 World Cup at the Sir Vivian Richards Stadium on Thursday (local time). The 31-year-old speedster scripted history in Antigua when he became the second Aust…