A large brush fire erupted above Slate Canyon late Saturday night, Provo police warned on X, as residents posted images of the flames on social media.

In a brief clip filmed by Salt Lake Tribune videographer Trevor Christensen at 11:15 p.m., people can be heard exclaiming in dismay as a firework shoots up and explodes with the burning foothills in the background.

As fire crews responded, the police department urged people to stay away and to not fly drones near the blaze. The fire was mostly contained by 12:30 a.m. Sunday, KSL TV reported.

The department did not immediately indicate a possible cause of the fire. Brigham Young University has closed the Y Mountain Trail and the trailhead parking lot from July 2 through 5, citing wildfire risks.

Gov. Spencer Cox has ordered a ban on personal fireworks, part of a sweeping safety effort as wildfires scar vast swaths of the state.

Earlier on Saturday, the new Mineral Gulch Fire broke out near Highway 9 at milepost 51, near Mineral Springs Road in Kane County. Officials estimated the fire at 30 to 50 acres by Saturday evening and said the cause was under investigation.

Fox 13 reported Saturday that the Kaysville Fire Department had confirmed that kids playing with fireworks in a park ignited a brush fire that forced several residents to evacuate late Friday.