The cause of the explosion is under investigation, according to Tacoma Fire.

A transformer explosion rocked the Spanish Hills Apartments on Tacoma's West End Sunday night ...

Viewer video shows a transformer explosion at a Tacoma apartment complex. Firefighters were evacuating residents 20 mins ...

A suspected transformer explosion ripped through part of the Spanish Hills Apartments in West Tacoma on Sunday evening, ...

An explosion at an apartment complex in Tacoma prompted evacuations and sent residents to a nearby middle school Sunday ...

A woman's death from burns in a transformer blast sparked protests in Kushinagar, Uttar Pradesh. Villagers blocked roads ...

Dramatic video captures an electrical room explosion at apartment complex in Washington state that sent flames and debris ...

A shocking explosion devastated an apartment complex in Tacoma, Washington on Sunday ... and Firefighters were still inside ...

A woman died after sustaining burn injuries in a transformer blast in Uttar Pradesh's Kushinagar district, following which angry villagers blocked the Kasia-Padrauna road demanding compensation for ...

Eight buildings in Tacoma were evacuated Sunday after an explosion in an apartment complex. Tacoma fire crews responded to ...

Fire investigators suspect that a failed electrical transformer caused a small fire and a large explosion at the Spanish ...