A man was killed on Wednesday when unknown assailants opened fire on him at Goth Karim Bakhsh of Gandakha. According to police officials, unidentified men in the precincts of Gandakha police station peppered Nazar Mohammad with bullets, killing him instantly. Police rushed to the site and shifted the body to the nearby hospital. An old enmity is stated to be the reason behind the killing. A case has been registered.