Arson investigators believe someone deliberately set the early-morning fire which gutted a small office building in midtown Tulsa Monday.
The fire broke out about 5:45 a.m. in a former home that had been converted to office use just east of the junction of E. 15th St. and the Broken Arrow Expressway.
Tulsa police shut down E. 15th St. for several hours as firefighters had to string hose across the roadway to battle the blaze.
They got it under control fairly quickly, but the building was heavily damaged.
No one was injured.
TFD spokesman Stan May tells KRMG it appears someone threw a concrete block through a window on the east side of the building (see related photo) to gain access to the interior.
An arson dog alerted on several areas in the lobby, as well as in the room of origin, May says.
Investigators urge anyone with information to call 918-596-ARSN, the arson hotline.
Tipsters can remain anonymous, and if their information leads to a conviction, they could qualify for a cash reward.