Flashing lights, cruisers, and tactical gear are taking over a popular Tomball hangout on Monday, but authorities say it is all part of a carefully staged show. Harris County law enforcement is running a full-scale active attack drill at District 249 Bar & Grill on TX-249, according to the sheriff’s office, and there is no danger to nearby residents or drivers.
🚨 Happening Now: Active Attack Drill in Tomball
— HCSOTexas (@HCSOTexas) February 9, 2026
HCSO and partner agencies are conducting an active attack drill at District 249 Bar & Grill (23238 TX-249).
⚠️ This is ONLY a drill and poses no threat to the community. pic.twitter.com/0EXCjNhtBA
What officials said
In a post on X, the Harris County Sheriff’s Office stressed that “This is ONLY a drill and poses no threat to the community.” The agency said HCSO and partner agencies are using the District 249 site to run an active attack exercise, turning the sports-bar complex into a training ground for the day.
Where it’s happening
The drill is centered at District 249 Bar & Grill at 23238 TX-249, a large sports bar and event venue northwest of Tomball’s core. The venue’s online listing confirms the address and describes it as a bar and grill with outdoor space and event facilities. For more details about the location, see Visit Tomball.
Why agencies run these drills
Full-scale active-attacker exercises let police, fire, and EMS rehearse how they would work together in a real crisis, including unified command, casualty evacuation, and on-the-fly communications, experts say. Training write-ups on response tactics note that joint exercises help agencies refine plans for moving victims quickly and coordinating medical care during potential mass-casualty events. For a rundown of response considerations, see Firehouse, and for guidance on drill planning, see the National Academies review of active-shooter exercises.
What residents should expect
People in the area can expect to see extra emergency vehicles, uniformed officers, and training activity near TX-249 while the exercise is underway. Officials have urged neighbors not to be alarmed by the heightened presence.
If you encounter a genuine emergency during the drill, you should still call 911. For non-urgent questions about the training, residents are encouraged to check official HCSO channels for updates. Businesses and neighbors who notice unusual activity but suspect it is related to the drill can contact local non-emergency lines to confirm.
