At least five undocumented immigrants are dead following a chase involving Border Patrol agents in Big Wells, Texas.
This article be updated as more details become available. A fifth person later died at the hospital.
The crash Sunday morning on Highway 85 in Big Wells was the result of a chase that involved Border Patrol agents and Dimmit County deputies. Multiple people from both vehicles were arrested.
Texas Department of Public Safety officials say four were pronounced dead at the scene midday Sunday.
High-speed chases aren't uncommon in some USA states bordering Mexico, as smugglers and others attempt to flee checkpoints and outrun the Border Patrol. "We've seen this many, many times".
Most of the occupants were believed to be living in the country without legal permission according to Fox.
He added: 'This is a ideal example of why our borders need to be secure'. The vehicle was traveling around 100 miles per hour, the sheriff said. Two people are believed to be US citizens.
The sport utility vehicle skidded off the road and then attempted to get back onto the highway, but the driver overcorrected and the vehicle flipped over, ejecting several people, Boyd said.
The deadly crash comes as the United States grapples with a swirling crisis over illegal immigration that has seen almost 2,000 children separated from their parents over a recent six-week period.
Boyd said such an incident was "not unusual at all", adding that his deputies are involved in high-speed pursuits related to human smuggling or drug trafficking on a daily basis.