"The cause is unknown. We are treating it as a crime scene until additional investigation is completed."

Both Arcata Fire and Arcata Police responded to a call of a structure fire around 5:30 a.m.

APD Police Chief Brian Ahearn was at work and at the apartment complex located on the 100 block of Samoa Boulevard. "The cause is unknown. We are treating it as a crime scene until additional investigation is completed."

One person was transported to the hospital and another person was found dead in one of the apartments. Three units were damaged.