Pakistani police say they have arrested 20 members of a village council on suspicion of ordering the rape of a teenage girl as punishment for a rape committed by her brother.
Police official Allah Baksh told the AFP news agency that the village council had ordered the rape of a 16-year-old girl as punishment because her brother had raped a 12-year-old.
Police said the families of the two girls are related.
Baksh said the council was contacted earlier this month by a man who said his 12-year-old sister had been raped by their cousin.
Baksh said the council then ordered the complainant to rape the sister of the accused in return -- which police say he did.
Police said both men suspected of rape were still at large.
Pakistan's Dawn newspaper reported that the 16-year-old girl was forced to appear before the group and raped in front of them and her parents.
Police said medical examinations have confirmed rape in both cases.
So-called 'honor' crimes are common in some rural areas of Pakistan.