Undocumented immigrants were discovered inside a hidden compartment in a trailer after the vehicle pulling it had stopped on a southeast-side road Tuesday morning.
East Central ISD police stopped to assist the vehicle's driver along New Sulphur Springs Road about 11:30 a.m.. Tuesday.
The immigrants have exited the trailer and were being given water and other aid.
The driver was a Laredo High School student. Police said two people were arrested at the scene following the incident.
Immigration and Customs Enforcement officials were responding to the scene.