SHO of Bhora Kala police station Manoj Kumar said that the woman was allegedly harassed by Ankit Kumar here last night.
The victim's family members confronted the accused and his friends, and a clash ensued, he said.
They threw stones at each other. At least seven people were injured and nine people were detained, Kumar said.
In another incident, the police have arrested a person for allegedly harassing a 28-year-old woman in Kawal village.