A man and his nephew were shot dead allegedly by unidentified motorcycle-borne men in Muradanagar area of the district. firingfiring Ehsaan and his nephew Gulfam, residents of Bihar, were at a brick kiln when they were attacked, police said. Ehsan died on the spot while Gulfam succumbed to bullet injuries at a hospital here, they said. The cause behind the attack could not been ascertained, police said adding that efforts were on to trace the attackers.