Kerala police on Monday arrested five RSS workers from three districts of the state for threatening to kill senior journalist Sindhu Suryakumar over phone and through social media for her comments during a TV debate on Goddess Durga last week.

The police identified the accused as Rarish, 20, of Thiruvananthapuram, Vikas, 31, Vibhash, 25, and Shijin, 28, of Kannur; and, Ramdas, 57, of Thrissur.

"All arrested are active RSS workers," said Cantonment circle-inspector G Ujjwal Kumar. Sindhu, chief coordinating editor of Asianet News, had filed a complaint on Sunday. The accused were let off on bail.