On the evening of March 31, Hai Phong City Police said: At about 12:15 on the same day, Thuy Nguyen Traffic Police - Luu Kiem Traffic Police Station - Traffic Police Department requested to stop a motorbike driven by Dinh Van Hai (born in 1982, residing in Residential Group No. 7, Lap Le Ward, Thuy Nguyen, Hai Phong). Dinh Van Hai drove a motorbike without a license plate and committed violations such as: not wearing a helmet and not having a vehicle registration.

Through inspection, the Traffic Police Team discovered inside the leather bag on the left of Dinh Van Hai containing 2 silver foil packages containing white powder, the results of which were heroin weighing 0.57 grams. The Traffic Police working group handed over and coordinated with Thuy Ha Ward Police to handle the subject, the evidence and the incident according to regulations.
Previously, on March 29, in the area of Residential Group 3, Thuy Ha Ward, Thuy Nguyen City, Thuy Nguyen Traffic Police Team (Luu Kiem Traffic Police Station, Traffic Police Department of Hai Phong Police) discovered and handled Nguyen Tuan Dat (born in 1997, residing in Dong Mat Residential Group, Thuy Duong Ward, Thuy Nguyen City, Hai Phong) who violated traffic safety order and illegally stored (0.56 grams of drugs).