The migrant surge is overwhelming a border town’s only hospital, the facility’s director told Fox News.

Yuma Regional Medical Center – the only hospital within 60 miles – has been forced to delay residents’ care to treat scores of illegal immigrants, many of them pregnant women.

Meanwhile, the hospital is racking up millions in unpaid expenses. Over six months, caring for migrants has cost the 406-bed facility at least $20 million with no one to foot the bill, according to the center’s president and CEO, Dr. Robert Trenschel.

“That’s an unsustainable model to have that unexpected expense without any revenue to offset it,” Trenschel said. “It’s a no-win situation.”

“We are running out of resources,” Trenschel said. “We’ve had to hire additional staff.”