Slovak officials say customs officers have opened fire at a car carrying migrants, injuring a woman.

Patricia Macikova, a spokeswoman for the Slovak Financial Administration, says the officials wanted to stop four suspicious cars coming from Hungary near Velky Meder shortly after midnight Monday. As one driver was trying to escape, Macikova says, an officer fired warning shots into the air before aiming at the car, injuring one migrant.

A 26-year-old Syrian woman was operated Monday morning in a hospital in nearby Dunajska Streda. Tomas Kral, a spokesman for a company that operates the clinic, said a projectile was removed from her back.

There was no immediate comment from police.

With border checks re-established on the Austrian-Hungarian border, the migrants could possibly go through Slovakia and the Czech Republic to get to Germany.