4-alarm apartment fire in southwest Houston

Firefighters are battling a fire at an apartment complex in southwest Houston. The blaze has been upgraded to a four-alarm fire.

Smoke could be seen coming from several apartment units at Greenridge Drive and Fairdale Lane.

According to the Houston Fire Department, crews arrived to find heavy fire coming from six units, and the fire has since spread to additional units.

One citizen is being treated for smoke inhalation.

People are asked to avoid the area.

This is a developing story.