In a suspected case of honour killing, a youth was found dead at Jalalabad town in the district following which two persons have been arrested, including girl's brother.
30-year-old Mohd Sabir was found murdered with his throat slit on Tuesday.
It is suspected that Sabir was killed by his girlfriend's brother Asas Mohd and his associate Imran, Deputy Superintendent of Police SP Rajesh Kumar said.
The girl's family was against their alliance and had threatened the couple with dire consequences.
Both Asas and Imran have been taken into custody, he said, adding investigations were on in the case.
Meanwhile, a couple Sunit (23) and Anita (22), who got married against their families wish, has sought police protection after they were threatened with dire consequences by their parents here yesterday.
The couple has been provided security as they feared they may be killed, the police said.