The blast was so strong that some residents reported their homes shaking.
On Friday morning, rescue workers were slowly removing debris with their hands and shovels, digging a hole in the building debris.
EMS crews are deploying to the U.S. Gulf Coast as Hurricane Laura threatens to swamp entire towns.
Five-story apartment building collapsed trapping several people.
A natural gas explosion killed two people, injured seven, and destroyed three row houses.
No gas odors were reported prior to this morning’s event and BGE did not receive any recent gas odor calls from the block of homes that were damaged.
A fourth house in the row was partly destroyed, and the neighborhood was strewn with glass from shattered windows.
One of two construction workers that had been trapped nearly 10 months ago in the collapse of a Hard Rock Hotel under construction in New Orleans.
U.S. officials said the administration also plans to provide at least $15 million in disaster assistance.
French and Russian rescue teams with dogs were searching the port area on Friday.