DALLAS — Three people were critically wounded at a Dallas ICE facility Wednesday morning and one shooter is dead, police sources tell WFAA.

Police responded to a U.S. Immigration and Customs Enforcement office shortly before 7 a.m. Wednesday at 8101 North Stemmons Freeway in Dallas, off Interstate 35E. Sources told WFAA that police were searching for a possible sniper or multiple shooters. It remains unclear if there were any other shooters involved in the incident.

Sources confirmed that one shooter was found dead on the roof of a nearby immigration attorney's office.

The victims were in critical condition but more details were not immediately available.

There is still a massive police presence at the scene. The Texas Department of Transportation cameras in the area showed dozens of p

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