ABC Online | Four people injured overnight in heater-related incidents in Sydney ABC Online An elderly Sydney woman suffered carbon monoxide poisoning and three men were injured in another incident as the dangers of using unsafe heating in homes was underscored overnight. The 81-year-old woman had been using an outdoor heater to warm ... Neighbour finds elderly woman suffering carbon monoxide poisoning in Surry Hills Carbon monoxide poisoning hits Surry Hills woman who dragged outdoor heater ... Firies warn of carbon monoxide poisoning |