The police team investigating the murder of Rashtriya Swayamsevak Sangh (RSS) worker Sreenivasan at Melamuri arrested four persons who had reportedly helped the assailants.
Those arrested were Mohammed Bilal, 22, Mohammed Rizwan, 20, and Riyasudheen, 35, from Sanghuvarathodu, and Sahad, 22, from Puthupperiyaram.