A child has died and six others were injured - one critically - after a house fire in Christchurch on Thursday night. Police were called to the property in Whitehall Street, Mairehau, at about 8.25pm on Thursday. “Sadly, a child died at the scene,” police said. Two adults and four children were all transported to hospital. Detective Senior Sergeant Jo Carolan said a scene guard was put in place at the property overnight. "Police will be carrying out a scene examination today, including working with Fire and Emergency New Zealand Fire Investigators." The cause of the fire is still to be determined, but it is not believed to be suspicious. An RNZ reporter at the scene on Friday morning says neighbours told her a family had lived there. Neighbours helped people who had come out of the house. The reporter said she has been told by one neighbour they saw "very high flames" when they came outside last night.…