Police broke up a brawl between Thai and Filipino transgender women on Soi Sukhumvit 11 late on Monday night.
Police rushed to the scene after a report that about 20 Filipino trans women had attacked two Thai trans women.
The attack was recorded and posted online. More Thai trans women were mobilised via social media to gather at the scene to respond to the attack.
Police took the people involved in the fight to Lumpini station for questioning and sent away their supporters who followed them to the station.
Police on Soi Sukhumvit 11 prevented any further clashes.