A infant has been killed and four children and an adult injured in a horrific house fire in Tasmania on Sunday morning. Police and emergency services responded to reports of a fire at Rokeby shortly before 9am. The house was alight when fire crews arrived to contain the blaze. A child and an adult were pulled from the home and rushed to the Royal Hobart hospital with serious injuries. Three other children were taken to hospital with non-life threatening injuries. Firefighters were not able to reach the infant in time. Speaking to the ABC, a woman who had noticed the