The Nashua fire chief described Monday's response to a gas leak, explosion and fire as a "complete success," even though three firefighters were injured, because everyone in the building was able to get out safely.

Ice may have damaged a gas line, causing a Nashua, New Hampshire explosion. Now the fire department is issuing a warning about ice on roofs.

The four-alarm fire tore through the Greater Nashua Mental Health building on Amherst Street, where about 40 people were working inside when a ruptured natural gas line was reported, fire officials said.

Officials gave an update in the natural gas explosion that sent three firefighters to a hospital in Nashua, New Hampshire at<a class="excerpt-read-more" href=" More

Three firefighters were injured, one seriously, and four people were unaccounted for after an explosion and fire at a commercial building on Amherst Street in Nashua.

A gas line to the building was shut off by utility crews, and the fire was deemed under control by 6 p.m. Monday.

A week after a gas explosion killed one and injured at least 15 others at a Bronx apartment building, residents are blaming management for “neglect,” saying their previous reports of smelling gas went unanswered.

Officials say one person was killed and 14 others injured in a gas explosion and fires at the top of a 17-story New York City apartment building.

The explosion occurred while first responders were at the scene at the Bronx building on Saturday, Jan. 24

Jesci Larochelle said she was in her living room watching TV, less than a half mile from the fire, and felt her house shake like a tree had fallen on it. She began checking the house for damage when she received the alert, she said in a text message. Nashua is in southern New Hampshire, about 45 miles (72 kilometers) north of Boston.