Speaking to media persons, Khan said that in a democratic country, violence does not have any role, and called upon people to believe in democracy.
He said that he was waiting for the report from the Home department regarding the killings.
Meanwhile, the body of the Social Democratic Party of India (SDPI) state secretary K.S. Shan was brought to his residence at Alappuzha under heavy police security.
Inspector-General of Police, South Zone, Harshitha Attalluri told media persons that if there is any provocative slogan during the funeral procession of Shan, police would take stringent action even against senior leaders.
Shan's body would be brought to his rented accommodation at Mannanchery in Alappuzha. His funeral will take place at the local mosque on Sunday evening.
Meanwhile, the post-mortem of the slain BJP leader Ranjith Sreenivasan is taking place at the Vandanam Government Medical College Hospital, Alappuzha.
His funeral will take place at his family residence at Harippad in Alappuzha district after 7 p.m.
Union Minister of State for External Affairs V. Muraleedharan and BJP state president K. Surendran will attend the funeral of Sreenivasan.
Social Democratic Party of India (SDPI) state secretary Shan was killed on Saturday night while BJP leader Sreenivasan was murdered on Sunday morning.