Investigators say a disconnected smoke alarm with no battery was found in the basement of a Maryland home where six people — including four children — were killed in a weekend fire. The Office of the State Fire Marshal said the deadly blaze broke out Sunday morning,

A house fire in Waldorf, Maryland left four children and two adults dead. Officials say it's the deadliest fire in Maryland in over a decade.

Acting Maryland State Fire Marshal Jason M. Mowbray said the fire was the deadliest the state has seen in over a decade