A smoke alarm inside the Waldorf, Maryland, home that went up in flames Sunday morning, killing six people, had been disconnected and had no battery installed.

Six people, including two adults and four children, died in a Waldorf house fire that erupted early Sunday morning in the 3000 block of Declaration Court North, Charles County. The blaze, reported around 8:40 a.

A community continues to grieve after four children and two adults were killed in a massive house fire in Charles County. There’s still no answers on what caused Maryland's deadliest fire in a decade.