TULSA, OK - An investigation is underway into the cause of a fire at Sierra Technologies Inc. in Tulsa. The fire broke out around 2:30 a.m. Wednesday.
Officers with the Tulsa Police Department say they received an intrusion alarm. When they arrived to the business, located in the 5100 block of East Archer, they found it on fire.
Police say all doors were secure.
Firefighters with the Tulsa Fire Department put the fire out. Smoke filled the building, but crews say the fire was confined to an office.