A 55-year-old man, his wife, and their younger daughter were murdered, allegedly by their elder daughter and her boyfriend at an apartment in Seegehalli under K.R. Puram police limits in east Bengaluru late on June 22 night.

The deceased have been identified as Somasundar (55), Muthulakshmi (48), and Supriya (20). Their bodies were found in a flat at Sai Green Apartment in Dhamnika Layout, Seegehalli.

The accused, Shwetha, the elder daughter of the couple, and her boyfriend Kenneth, were allegedly in a live-in relationship. They reside in a flat rented a month-and-a-half ago. The victims are said to have opposed the relationship, leading to frequent disputes within the family. The couple and their younger daughter had visited their elder daughter around 7 p.m.

Police suspect that there was an argument, which escalated, as the parents objected to Shwetha’s relationship with Kenneth. They suspect that Shwetha and Kenneth stabbed the trio to death before fleeing from the scene.

The crime came to light after neighbours alerted the authorities.

Senior officers from K.R. Puram police station visited the spot, and conducted an inspection. The bodies were shifted to a hospital for post-mortem examination.

A case has been registered, and efforts are on to trace the accused.

“There might have been an argument, following which the stabbing occurred. Police teams are working to trace the accused. Detailed information will be shared after their arrest,” Bengaluru East Division Deputy Commissioner of Police Saidulu Adavath said.