A violent brawl in Adelaide’s Chinatown has sparked wider concerns over wage theft in migrant communities. Disturbing footage emerged in early February showing the brawl at the Fun Tea Shop in Chinatown. A 20-year-old woman was filmed in an argument with the owner, allegedly over a wage dispute. Soon after, 39-year-old Gavin Guo walked up to the woman, and after a few words, allegedly slapped the woman across the face. Several of the woman’s friends and shop workers tried to break up the altercation, which saw shop furniture pushed aside. Guo has since been arrested and charged with assault. He is currently on bail. Since the video emerged, the bubble tea store has been broken into, and protesters have picketed outside the shop to demonstrate against migrant worker exploitation. Additional footage later revealed that Guo had exchanged words with the woman earlier when she was working behind a counter. The …