The Velerupadu police detained 11 persons for allegedly organising a cockfight and betting on the illegal game near Katkur village in Velerupadu mandal on Monday. Acting on a tipoff, the police reached a secluded place where a cockfighting match was under way near Katkur in the afternoon. The police detained 11 persons allegedly involved in betting on cockfighting and also seized Rs 11,480.