Berhampur: Police on Monday detained nine persons from Khallikote Unitary University campus here after two groups of students allegedly had a confrontation after the govt announced the students’ union elections.Acting on a tip-off regarding the confrontation among students, police reached the spot without delay. Within minutes, the persons involved in the incident were apprehended by the police, said SP (Berhampur) Abhinav Sonkar. “Necessary action as per law is being taken against the persons found involved in the incident,” he said.Tension gripped the campus. Police said the exact reason for the confrontation is yet to be known. “Police are maintaining strict vigil and closely monitoring all activities to ensure maintenance of peace and public order in and around the university campus,” said the SP.