Based on the results of the crime scene investigation, autopsy and initial investigation documents collected, there is a basis to determine that this is a case of "Murder and robbery".

After receiving information about the death of 4 people in Hop Thanh area, Phuong Nam ward, Uong Bi city, Quang Ninh province, on the afternoon of September 24, 2016, a working group of the Ministry of Public Security led by Senior Lieutenant General Le Quy Vuong, Deputy Minister of Public Security, went to the scene to direct the investigation, examine the scene, conduct autopsies and carry out investigation and verification measures.

The house where the tragedy occurred, killing four grandmother and grandchildren.

Based on the results of the crime scene investigation, autopsy and initial investigation documents collected, there is a basis to determine that this is a case of "Murder and robbery" with particularly serious consequences.

Quang Ninh Provincial Police initiated criminal proceedings and investigated the case according to the provisions of law.

Implementing the direction of Prime Minister Nguyen Xuan Phuc in Official Dispatch No. 8031/CD-VPCP dated September 24, 2016, the Ministry of Public Security, the People's Committee of Quang Ninh province and relevant agencies are investigating, arresting the subject and accomplices, clarifying the cause of the murder, and strictly handling them before the law.

According to CAND