DALLAS (AP) — A shooter with a rifle opened fire from a nearby roof onto a U.S. Immigration and Customs Enforcement location in Dallas on Wednesday, killing at least one person and wounding others before taking his own life, authorities said.

The exact motivation of the attack was not immediately known. The FBI said at a morning news conference that ammunition found at the scene contained anti-ICE messaging. The head of the agency, Kash Patel, released a photo on social media that shows a bullet containing the words “ANTI-ICE” written in what appears to be marker.

Dallas Police Chief Daniel Comeaux told reporters that officers responded to a report of four people shot, with two dead. Authorities initially said three people, including the shooter, had been shot.

Homeland Security spokesp

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