A malfunctioning space heater sparked a fire that filled a high-rise Bronx apartment building with thick smoke Sunday morning, killing 19 people including nine children in New York City’s deadliest blaze in three decades.

Trapped residents broke windows for air and stuffed wet towels under doors as smoke rose from a lower-floor apartment where the fire started. Survivors told of fleeing in panic down darkened hallways and stairs, barely able to breathe.

Multiple limp children were seen being given oxygen after they were carried out. Evacuees had faces covered in soot.

Firefighters found victims on every floor, many in cardiac and respiratory arrest, said Fire Commissioner Daniel Nigro. Some could not escape because of the volume of smoke, he said.... Read More: Associated Press