Gajapati: In a tragic incident, two siblings choked to death when the room they were sleeping was filled with the smoke generated from a power generator. The incident has happened in Betarsingh village under R Udaygiri Police Station of Gajapati district last night. Another sibling has been shifted to the MKCG Medical College Hospital in a serious condition. The family members were sleeping inside a room after a marriage feast when the incident happened. Chandragiri police is investigating the incident.