A skull and a few bones were found in a plastic cover on the premises of an under-construction house at Kannankulangara in Thripunithura on Sunday. The Hill Palace police have registered a case of unnatural death and forensic experts have collected evidence. Meanwhile, in Angamaly, an elderly woman named Lalitha was found dead at her house. Her husband, Balan, who is believed to have murdered her, is currently a fugitive. Lalitha’s body was discovered by their son, who returned home late at night. The couple was known to have frequent quarrels.