The shooting apparently took place in the airport’s Terminal B.

We will continue to monitor this story and update with developments.

***

Update:

This man has been live-tweeting from the scene:

The shooting was reportedly self-inflicted:

The terminal has been shut down:

The FAA has issued a ground stop for flights:

https://twitter.com/MyFoxHouston/status/330046077623488514

***

Update:

Eyewitness interviews (via Raphael Gluck):

***

Update:

KHOU reports that the FBI has taken over the investigation:

https://twitter.com/KHOU/status/330045147159093248

***

Update:

***

Related:

Gun control crowd links NRA to ‘opening ceremony’ gun suicide at Houston airport