Police in Bara, an area of Khyber district in Khyber Pakhtunkhwa, have arrested more than 50 people in a crackdown on individuals allegedly involved in violent incidents, ARY News reported.
Police sources said four cases had been registered under the Anti-Terrorism Act in connection with the violence and rioting.
Authorities said further raids would be conducted on Tuesday night to arrest other suspects.
Police have decided to continue the operation until all those allegedly involved in the incidents have been apprehended.
Meanwhile, Capital City Police Peshawar (CCPP) have dismissed reports of the abduction of a police officer in Bara.
In a statement, the CCPP said that some miscreants had attempted to spread unrest in the area but that the situation remained under control.
The police said action would be taken against those involved in such activities in accordance with the law and that no attempt to disrupt peace in the area would be tolerated.
The police also urged citizens not to pay heed to baseless rumors.