HPD says people living nearby have been complaining about alleged illegal gambling at a business on Richmond near Fondren in southwest Houston.
Police say approximately 80 to 90 people were inside a club when SWAT swarmed in to serve a warrant.
Four to five people have been arrested, HPD said.
Police say undercover officers found gaming tables, chips, and a cashier's booth to collect the money inside.
Eyewitness News is gathering the facts on this story.