Enmity claimed the lives of three family members in Swabi district of Khyber Pakhtunkhwa province.
According to 24NewsHD TV channel, police said an exchange of fire occurred between rivals in the Lahore Meeran area of Swabi district.
The deceased were identified as Faizur Rehman, his son Sudees and his nephew Sarzameen, the lawmen said.
Police said the bodies were sent to postmortem and a hunt for the killers was launched after registering a case.