Building heavily damaged after explosion in southern Colorado

Authorities in southern Colorado are investigating after a sudden explosion damaged a building and startled nearby residents.
NBC DFW

Deadly Explosion at Aliso Viejo Medical Building Was ‘Intentional Detonation'

The explosion at an Aliso Viejo medical building was an "intentional detonation," and the explosive device was delivered to the building, addressed to a specific person, federal sources tell the NBC4 ...
WSB-TV

Neighbors reported gas smell hours before building explosion. Here’s what we’re learning

ATLANTA — Channel 2 Action News learned late Wednesday afternoon that an apartment building explosion may have been caused by someone stealing copper from inside the vacant building. An open flame ...