Wrestler Sushil Kumar was arrested by Delhi Police on Sunday, May 23 in connection with the murder case involving 23-year-old wrestler, Sagar Rana following a brawl at the Chhatrasal Stadium in New Delhi. After the arrest of Sushil Kumar, the names of two gangsters have appeared in the case so far. The involvement of gangsters in the case has sparked speculation of a gang war in Delhi.