Seven people waiting at a bus stop in a Texas border city were killed and a dozen more injured early Sunday morning when a vehicle struck them in what investigators believe was an intentional act, authorities said.

The victims were at a bus stop near a Catholic Charities facility in the city of Brownsville when they were struck, a senior law enforcement official told NBC News.

Eleven people injured in the 8:30 a.m. crash were taken by ambulance for treatment at local hospitals, the Brownsville Fire Department he said on his official Facebook page.

One of the injured was airlifted to Valley Baptist Medical Center in near Harlingen, the department said.

Brownsville is one of the border cities already seeing a surge in migrants trying to cross into the United States from Mexico ahead of Title 42 lifting, which ends May 11.

Imposed in the last year of the Trump Administration, the Covid ban has caused migrants to return to Mexico more than 2.5 million times since it went into effect in March 2020.

This is a developing story. Please check for updates.