Police in the northern province of Vinh Phuc are investigating accusations that a man died in their custody Saturday, and there are signs he was tortured.
The family of Nguyen Van Hien, 43, of Vinh Yen City lodged a complaint with local authorities saying he died shortly after being summoned for questioning by police in Ngo Quyen Ward.
On the evening of September 6, Hien had a fight with his nephew Vu Quang Huy, 21, and Huy's mother reported the case to the police.
A police officer arrived at Hien's house and asked him and Huy to go to the police station for questioning.
Hien himself drove a motorbike to the station, and he was in normal condition at that time, according to the family.
After a while, Nguyen Nhan Hieu, Hien's brother, brought some clothes and a blanket to the police station as he was afraid that Hien could might have to stay there overnight.
He saw Hien with some "unusual signs," with his face turning purple, and he seemed to have lost consciousness.
Hieu rushed Hien in a taxi to the Vinh Phuc Province General Hospital.
The family discovered bruises on Hien's chest and thighs, and doctors said Hien he had suffered brain injuries.
The doctors performed two surgeries, but Hien died at around 8 a.m. on Saturday.
The family says Hien must have been beaten up by police at the station.
Lieutenant-colonel Nguyen Van Minh, chief of Ngo Quyen Ward police, told VnExpress that lieutenant Nguyen Van Hoan and major Kieu Van Quang were in charge of questioning Hien and Huy on the evening of September 6.
He denied accusations that the two officers had beaten up the man, but refused to comment on the torture marks found on Hien's body.