Investigators called a natural gas explosion in Denver “suspicious” Tuesday night. The blast Tuesday afternoon collapsed the roof and tore the walls off of a four-plex residential building at the intersection of 4th Avenue and Santa Fe Drive on Tuesday.
Fire investigators said Tuesday night they have not ruled out arson, and the Denver Police Department crime lab was on the scene.
Nine people were injured in the explosion.
DFD on scene of a reported Natural Gas explosion at 4th and Santa Fe. Media staging at 915 4th Ave. pic.twitter.com/Z5s39WsoaS
— Denver Fire Dept. (@Denver_Fire) August 14, 2018
One woman was pulled from the rubble and is hospitalized in stable condition. Seven bystanders were treated and released and one man is in critical condition.
Denver Fire said that not all residents were accounted for immediately following the blast but there were not any reports of children injured.
One witness told FOX31 that the structure is an apartment building with five or six residents.
A man living four blocks away said when he heard the blast he thought the roof of his home was caving in. Alan Rodriguez said when he went outside to see what happened, he saw a “mushroom cloud” of smoke.
— NiaBender (@NiaBender) August 14, 2018
Richard Trujillo lives nearby and said that he was walking to the store when he smelled gas before the building “just blew up” and bricks were flying into the street.
He told FOX31 that just after the explosion a man was getting out of a car when a person “dragged him away and took a baby out of the car.”
Santa Fe was closed from Ellsworth Avenue to 5th Avenue.
This story is developing and we’re working to find out more information. We will update with the latest.