Channel 24 South Africa reports the Freddie Mercury biopic Bohemian Rhapsody and 20th Century Fox are champions of the box office.<br />Bohemian Rhapsody, starring Rami Malek as the late Queen frontman.<br />It shook off production troubles and mediocre reviews to debut with $50m in weekend ticket sales in U.S. and Canada.<br />The film took another $72.5m internationally, according to studio estimates Sunday. <br />