A farmer, Sunil Upadhyay, 30, allegedly had his uncle and aunt murdered over a property row at Faridpura village under Naubatpur police station in rural Patna on Wednesday afternoon.

Two men on motorcycle shot the couple, Vishwanath Upadhyay, 57, and his wife Kusum Devi, 50, dead outside the house.

Patna senior superintendent of police Manu Maharaaj said: "Primary probe says the couple has a land dispute with their relatives. We have come to know that the couple's nephew, Sunil Upadhyay, was behind the incident."

Raids are on to nab Sunil.