‘She poisoned her son; Rhea kills Sushant ‘: Father KK Singh wants Rhea’s arrestSushant Singh’s father KK Singh has demanded the arrest of Riya Chakraborty in connection with the death of Bollywood actress Sushant Singh Rajput. KK Singh said that Riya Chakraborty was poisoning Sushant and that Riya was Sushant’s killer. He told ANI about this. He has demanded that the investigating agencies arrest Riya immediately. KK Singh had earlier []