A “major” gas explosion in Baltimore reportedly ripped through several homes on Monday, killing at least one and seriously injuring at least four others who were trapped inside their houses, Baltimore fire officials said Monday. The Baltimore City Fire Department tweeted Monday “6 people involved in W. Baltimore gas explosion includes 4 people transported in serious condition, 1 adult woman deceased, & FFs continue to rescue additional occupant.” Aerial footage of the scene showed multiple homes wiped out in the 9:54 a.m. explosion in the Reisterstown Station neighborhood in Northwest Baltimore. The cause of the blast that collapsed three homes and destroyed 16 more is currently under investigation, the fire department added.

The Baltimore Firefighters IAFF Local 734, a local firefighters union, also stated several homes exploded in the blast and that Special Rescue Operations units had begun search and rescue missions. Officials from Baltimore Gas and Electric, ATF, and the city’s Office of Emergency Management are also on scene. “It knocked me across the bed,” one resident told The Baltimore Sun reported. “I came downstairs and saw all of the front of the houses across the street, they were on the ground. I had a picture window downstairs, the glass is in the chair now.”