Police said the suspects, identified as Rizwan and Irfan, sexually abused and killed the minor in a Sabzazar neighborhood of the provincial capital.
The suspects’ father was also involved in the heinous crime, but he was still on the run, the police officials said, adding that efforts were being made to arrest him.
Meanwhile, a man shot dead his sister in the name of honour in Satto Katla area of Lahore, police said.
The suspect gunned down his sister after accusing her of having immoral character, the police added.
After being informed about the incident, the area police arrived at the crime scene and took the body into custody for medico-legal formalities.
The victim’s brother, however, managed to flee from the scene, the police said.