Crowded living conditions force early evacuation of nearly 300 neighbors.

The yard owner Northern Metals has been sharply criticized by state's governor.

An extension into the roof line required an extensive overhaul.

Firefighters plan to cut a fire break through the crushed vehicles.

Sulfur dioxide reacts with other gases to create harmful particles.

Firefighters immediately declare a second alarm upon arrival.

The sound of the blast was described as "deafening, like thunder."

Corpus Christi industrial area known as "refinery row" affected by the blast.

The two-alarm blaze drew responders from three agencies, including the North Haven Fire Department.

One of six explosions blew a 5-by-8-foot hole in the building roof.