Three students have been arrested in Kekirawa for the assault of another student at the GCE O Level examinations, stated Police Spokesman DIG Ajith Rohana today. The three students are to be produced in the Kekirawa Magistrate Court. The Police stated that they are vigilant of any violence occuring before or after the O level examination. Further, a 27-year-old person has been arrested yesterday for the offence of impersonation of another O level candidate at the examination.