The crash left 15 dead. (File)

SAN ANTONIO (July 26, 2012)--Two people who survived a deadly pickup truck crash Sunday in Texas that killed 15 people were out of the hospital and in the custody of immigration authorities Thursday.

A spokesman for Immigration and Customs Enforcement said a juvenile and another person were over to ICE after they were discharged from hospitals.

Six other injured survivors remained in the hospital Thursday.

Authorities said the white Ford F-250 was carrying 23 immigrants from Mexico, Honduras and Guatemala when it veered off a highway and crashed into a stand of trees Sunday night on a highway about 90 miles southeast of San Antonio and about 150 miles northeast of the Mexican border.

Eleven people died at the scene and four others later died at hospitals.

Two of the dead were children.

The driver of the truck is among the dead.

He was identified Tuesday as Ricardo Mendoza-Pineda, 22, of Mexico.

Officials wouldn’t comment on his immigration status, but did say the truck was headed to Houston.

Investigators think the truck’s front right tire came apart, causing the vehicle to veer off the rural highway.

Texas Department of Public Safety spokesman Gerald Bryant said Tuesday that a preliminary investigation indicates layers of the tire had separated.

Bryant would not say if the tire was old and worn or whether there was a manufacturing issue.

He did not identify the tire brand.