Atleast one person killed in an explosion that took place outside Congress lawmaker Munirathna's residence on Sunday. The cause of the occurrence is not known yet. The deceased that got killed in the explosion was identified as Venkatesh. He was walking on the road, when the blast took place in Rajarajeshwari Nagar near MLA Munirathna's residence in Vyalikaval. Police personnel along with the Forensic Scientific Lab (FSL) team have arrived at the spot and are carrying out an investigation. The lawmaker, Munirathna, who represents Rajarajeshwari Nagar assembly constituency said that the deceased was known to him. Venkatesh was a washerman, who lived in the area next to Munirathna's residence.