Baby Luka has undergone several surgeries since the attack. SuppliedBaby Luka has undergone several surgeries since the attack. Then-nine-month-old Luka has undergone several surgeries since the attack, including synthetic skin grafts. Camera Icon Baby Luka has undergone several surgeries since the attack. “So we’re serious in investigating this incident.”Camera Icon Chinese ambassador to Australia Xiao Qian says Chinese investigators are heading to Brisbane.