Multiple law enforcement agencies responded to an active shooter situation at a Walmart in El Paso, Texas, on Saturday where at least 18 people were shot, according to local media reports.

Information about the extent of the injuries and any possible casualties was not immediately available.

El Paso police and Dallas’s branch of the Bureau of Alcohol, Tobacco, Firearms and Explosives responded to the scene, which was reportedly next to the city’s Cielo Vista Mall.