Texas Department of Public Safety / AP
A pickup truck crashed into trees in Goliad County, Texas, on Sunday, killing at least 13 people and injuring 10 others, authorities said.
Updated at 5:31 p.m. ET: Fourteen people died after a pickup truck loaded with suspected illegal immigrants veered off the highway and crashed into trees in rural South Texas, authorities said.
State troopers and Goliad County sheriff's investigators were investigating Sunday's crash. A trooper told KRIS-TV, the NBC affiliate in Corpus Christi, Tex., that it appeared a tire on the truck blew out before the vehicle went off the road and struck two trees.
Authorities said they did not immediately know the names and ages of the victims.
Federal officials believe the 23 people riding in the Ford pickup truck were from Mexico, Guatemala and Honduras.
"We suspect at this time it is going to be illegal immigrants that were in the vehicle, based on the way they were traveling,'' said Lt. Glen Garrett of the Texas Department of Public Safety, Reuters reported.
Vehicle laden with passengers
Gerald Bryant, also of the Texas Department of Public Safety, told The Associated Press the dead and wounded were various ages and included at least two young children.
"This is the most people I've seen in any passenger vehicle, and I've been an officer for 38 years," Bryant said.
The pickup was heading north on U.S. 59 around 7 p.m. (9 p.m. ET) Sunday when it traveled off the right side of the highway near the community of Berclair in Goliad County, Bryant said.
The 23 people were loaded inside both the truck's cab and bed.
Six of those who died were still inside the truck when emergency crews arrived to find the mangled vehicle, Bryant said. A man who claimed to have been the driver of the vehicle was ejected but survived, Bryant told the San Antonio Express-News.
He said several of the surviving victims had life-threatening injuries. He did not have their official conditions but described them as "very serious." The injured were taken to various hospitals in San Antonio, Victoria and Corpus Christi. Berclair is about 100 miles southeast of San Antonio.
Border Patrol will assist with the investigation, authorities said.
Crash investigators stayed at the scene into the late hours Sunday to assess the crash, which halted traffic on U.S. 59. "It's been very chaotic here, and it's very traumatic," Bryant told the Express-News earlier from the scene. "It's only first responders out here, and it's very solemn."
The Associated Press contributed to this report.
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