One person severely injured in apartment fire

OKLAHOMA CITY—Fire officials say they think they know what started a blaze that severely injured one person.    

The blaze broke out just after 10p.m. last night at the Willow Cliff Apartments at N.W. 50th St. and Meridian Ave.

Flames could be seen coming from a second story balcony.

One woman was critically burned in the fire.

Arson investigators were called to the scene and determined the fire was caused by discarded smoking materials on a couch.