Ludhiana, July 12 -- A 45-year-old man was stabbed to death by two unidentified bike-borne assailants near his residence in the Meharban area late Thursday night, marking the fifth murder in Ludhiana within just 20 days.

While the police consider robbery as a possible motive, investigators are also looking into the personal rivalry angle behind the cold-blooded murder.

The victim, Tilakraj, had recently moved to Ludhiana from Kurukshetra, Haryana, in search of employment. According to police, the incident took place while he was taking a post-dinner walk near his rented home in Gujjar Bhawan, Meharban. His 18-year-old son, Danish, who was standing on the rooftop at the time, witnessed the attack.

Danish told police that two men on a sc...