Police in Hai Phong are asking for forensic tests on a man who died at a commune police station Friday.
Nguyen Van Thang, 32, was caught stealing a dog and remanded at the police station of Chinh My Commune, Thuy Nguyen District in the northern city, the district police chief Tan Xuan Phuong said Sunday.
Thang died several hours later during the detention, the police informed the family.
Police said the man put something in his mouth while being questioned. He began foaming at the mouth and died on the way to the hospital.