More than 40 people were found dead on Monday inside a tractor-trailer in San Antonio, U.S. state of Texas, local media reported.
The truck was found next to railroad tracks in a remote area on the city"s southern outskirts, according to the reports.
Forty-six suspected undocumented migrants died from heat in the 18-wheeler, said the reports, citing local fire department authorities.
About 15 others were rescued and transported to area hospitals. At least five of them were in critical conditions, said the reports.
