Arizona Border Patrol agent fatally shoots man suspected of being undocumented immigrant

A man who was suspected of being an undocumented immigrant was shot and killed by a U.S. Border Patrol agent in southern Arizona on Wednesday morning, officials said.

The shooting occurred in a remote area of the Baboquivari Mountain Range west of Three Points, which is about 27 miles southwest of Tucson, the U.S. Border Patrol Tucson Sector said in a press release.

Just before noon, the Border Patrol agent shot the man after the agent was assaulted by the suspect, the release said.

The man was among a group of suspected undocumented immigrants, the statement said.

The other three members of the group were taken into custody, officials said.

Agents were searching the area for others Wednesday, officials added.

Th incident is under investigation by the FBI, Customs and Border Protection's Office of Professional Responsibility and Tohono O'odham Nation Police Department.

No further information was provided Wednesday.

Border Patrol officials said they would be holding a press conference in Tucson Thursday morning to provide additional information.

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