Mitchell Starc and Mehidy Hasan Miraz were involved in a heated exchange on Friday during the second day of the first Test between Australia and Bangladesh.
The confrontation occurred in the 103rd over after Mehidy ran through the protected area of the pitch, prompting umpire Kumar Dharmasena to intervene with a warning.
Bangladesh ended the day in a commanding position at 351 for six, holding a 153-run lead after Tanzid Hasan scored a maiden Test century of 101 runs.