Pallbearers carry Border Patrol agent Rogelio Martinez into Our Lady of Guadalupe Church for a funeral Mass, Saturday, Nov. 25, 2017 in El Paso, Texas. (Mark Lambie/The El Paso Times via AP)

EL PASO, Texas - In a story Nov. 25 about a funeral for a U.S. Border Patrol agent, The Associated Press incorrectly referred to U.S. Attorney General Jeff Sessions as Jeff Session. The AP also erroneously reported that a U.S. official with knowledge of the investigation said both the agent who died, Rogelio Martinez, and another agent who was hurt but survived may have fallen. The official only said Martinez may have fallen.

A corrected version of the story is below:

Funeral held for US border agent whose death not explained

Family, friends and law enforcement officers came to West Texas on Saturday for the funeral of a Border Patrol agent who died last weekend from head and other injuries

Family, friends and law enforcement officers converged on an adobe Catholic church in El Paso, Texas, Saturday to mourn a Border Patrol agent whose death last weekend in the rugged and remote Big Bend area has not been explained.

Bagpipes played as Border Patrol pallbearers in green uniforms carried the U.S. flag-draped coffin of Rogelio Martinez, 36, into Our Lady of Guadalupe Church for a private funeral Mass. He died in a hospital Sunday of head and other injuries.

"It honours him to see law enforcement agencies from across the United States" attend the service, Border Patrol spokesman Ramiro Cordero told reporters outside the church.

Martinez was found Nov. 18 in a culvert along with his seriously injured partner, whose name has not been released, in a rugged area near Van Horn, about 30 miles (50 kilometres) from the border with Mexico and 110 miles (175 kilometres) southeast of El Paso.

Attorney General Jeff Sessions was scheduled to attend the funeral but it was not clear if he was there. Following the funeral, a graveside ceremony was held at Restlawn Cemetery in El Paso.

Speculation about the cause of death has run rampant with several politicians saying the agent was attacked, including President Donald Trump, who used the death to highlight his support for building a wall on the border with Mexico. Special Agent in Charge Emmerson Buie Jr. in the FBI's El Paso office has said investigators were treating the incident as a "potential assault," but they could not rule out other scenarios.

Representatives from the border patrol's union have insisted that the incident was an attack, based on the accounts of other agents who responded to the scene. Chris Cabrera, a spokesman for the National Border Patrol Council, told The Associated Press that agents responding to the scene called it "grisly."

However, a U.S. official with knowledge of the investigation told The Associated Press on Monday that Martinez may have fallen, and that the surviving agent had no memory of his duty-shift. The official spoke on condition of anonymity and is not authorized to speak publicly.

After the death of Martinez, his father told the El Paso Times that his son loved his job. Jose Martinez said his son would call him every day to say goodbye for the night.

"And I would tell him, 'Take care of yourself son. God bless you,'" the father said.

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Associated Press writer Elliot Spagat in San Diego contributed to this report.

News from © The Associated Press, 2017