Maryland investigators are still looking into the cause of an intense, fast-moving fire at a home in Waldorf, in Charles County, on Sunday morning that killed six people​, including four children.

A Sunday morning house fire in a Waldorf neighborhood claimed six lives, including four children, as investigators worked into the night to determine the cause. The first 911 calls came in around 8:40 a.

The victims were two adults and four children, according to officials. There were nine residents who lived at the house; one adult escaped and two others were not home at the time of the fire. The origin of the fire remains under investigation, but there was no evidence of a criminal act, the Maryland State Fire Marshal said in a post on X.