The content originally appeared on: CNN Gaza CNN - At least 21 people, including whole families and children, were killed when a fire broke out at a residential building in a refugee camp in northern Gaza on Thursday, according to Palestinian authorities in Gaza. The fire broke out in Jabaliya refugee camp, Gaza's Interior Ministry said. A preliminary investigation found a large amount of gasoline inside the building, which contributed to the escalation of the fire, it added. Everyone in […]