Following the June 10 protest, PDA teams began identification of illegal constructions and encroachments in Atala and nearby areas in an apparent follow-up to warnings issued by police and administrative officials about illegal properties of rioters being razed. <br /> <br />Meanwhile, Additional Director General of Police (Law and Order) Prashant Kumar said on Sunday that 304 persons have been arrested till Sunday morning in connection with Friday's violence. <br /> <br />The maximum number of arrests have been in Prayagraj where 91 persons have been held while 71 have been held in Saharanpur.