NEW DELHI, Jan. 1 -- Three elderly residents were killed in two separate house fires that broke out in Delhi on Wednesday, according to police and fire officials. The victims included a retired couple killed in a suspected LPG cylinder explosion in east Delhi and a woman who succumbed to smoke inhalation in southeast Delhi, officials said. One of the incidents was reported around 1.30pm in a residential building in east Delhi's Jagatpuri, near Kakardooma. Police officials said they received a PCR call reporting a blaze at a residential building at 1.36pm. A police team reached the spot and found the first floor in flames. Firefighters pulled Prem Sagar Malhotra, 75, and his wife Asha Malhotra, 65, from the building, said deputy commissioner...