Phan Van Nhut and his accomplices were detained after allegedly kicking a motorcycle and using a helmet to knock a young man off his bike on Le Loi Street, an act stemming from personal conflict.

Two groups of youths engaged in a street brawl following a traffic collision, disrupting public order in central Dong Nai.

Tran Long and Phan Bao Khanh, both 17, were summoned by police after covering their motorbike license plate, carrying a katana, and speeding through many central streets.

Three 18-year-old youths have been summoned by police for questioning after they were seen "wielding" homemade spears, each approximately 3 meters long, while riding motorcycles.

Nguyen Thanh Do disagreed with a backpacking experience post on Facebook, leading to a dispute, a scheduled meeting with a group to "talk things over," and a subsequent public brawl.