Koraput: A family in Jeypore town of Koraput district was subjected to a night of terror after a gang of six armed robbers allegedly stormed their house, assaulted four members and held them hostage for nearly 90 minutes before escaping with cash and jewellery worth over Rs 1 crore.The robbers reportedly took away more than Rs 18 lakh in cash, around 400 grams of gold ornaments and nearly 500 grams of silver articles from the residence of Satyanarayan Dalai in the 17th Lane of Lingaraj Nagar.“The incident took place around 1.30 am. We were terrified as the miscreants threatened us with weapons and assaulted family members. They kept us hostage for nearly one-and-a-half hours and ransacked the entire house. They took away cash and gold ornaments worth more than Rs 1 crore. We want the police to arrest the culprits at the earliest and recover our valuables,” Dalai said.According to the complaint, five robbers scaled the boundary wall and entered the house, while their sixth accomplice kept watch outside. Dalai, who lives on the first floor, was overpowered by the gang, which tied his hands and legs and threatened him with sharp weapons before beginning the loot.Hearing the commotion, his son and daughter-in-law came downstairs but were allegedly assaulted by the robbers. The gang subsequently confined all family members at one place and ransacked the house.The miscreants broke open three almirahs, scattered household belongings and took away the hard disk of the CCTV surveillance system. Dalai sustained an injury to his eye, while his son, daughter-in-law and wife also suffered injuries during the assault.After the robbers fled, the family alerted the police. Jeypore Town police reached the spot and initiated an investigation. A scientific team subsequently visited the house and collected evidence. A written complaint was lodged by Dalai’s younger son, Debi Prasad Dalai.Jeypore Town IIC Ullas Chandra Rout said, “We have registered a case and started an investigation. A scientific team has examined the crime scene and collected evidence. We are examining all possible leads to identify and nab those involved in the robbery.