Huynh Van Doi, 41, is accused of chasing and stabbing his partner and her sister, causing injuries ranging from 2% to 40%, following a jealous dispute.

Driven by baseless jealousy, Truong Thanh Minh, 44, brought a knife to a karaoke bar to confront her lover, an act that resulted in the victim's death.

Nguyen Nam Dai Thuan, 37, has been additionally charged with illegal use of military weapons, three months after murdering his wife and three family members.

Driven by jealousy, Nguyen Chi Tam arranged to meet his love rival and, with accomplices, fired a warning shot, threatened, and robbed the victim of his motorbike and phone.