Firefighters arrived to the complex in the 4000 block of Corder around 9 p.m. to reports of an explosion.
One person was taken to the hospital, officials said. Another person was reported missing.
There was an explosion (possible gas leak) and a fire at apartments at 4001 Corder. 1 injured/1 missing. #hounews CC7— Houston Police (@houstonpolice) May 21, 2018
Officials said about 50 people were evacuated from the complex.
No other details have been released.