The 2018 Sri Maha Mariamman Temple riot was a rioting incident that took place for two days from 26 to 27 November 2018 at the Seafield Sri Maha Mariamman Temple site and also the surrounding area at USJ 25, Subang Jaya, Petaling, Selangor. The riot stemmed from a misunderstanding between the temple and the developer, One City Development Sdn. Bhd. in the issue of the transfer of the temple. As a result, the riot incident resulted in damage to public property and the death of a firefighter, . The riots had already received public attention and widespread coverage in the Malaysian mass media.