
Police at the house of Hung's ex-wife
He afterwards ran to his ex-wife's house in Hai Hoa Ward, Mong Cai City. However, Hung's ex-wife was not at home. Two children, his ex-wife's sister and a friend were there and Hung held all four as hostages.
Police in Mong Cai City quickly arrived at the scene and worked with local authorities to rescue the hostages while persuading Hung to surrender.
At 11 pm, Hung killed himself with the same gun. The hostages were all safe.
The case is still under investigation.