Two people were seriously injured in Marshall County early Friday morning when the car they were in struck a sink hole.

Sabrina Sue Davis, 24, of Fyffe was injured when the 2013 Toyota Corolla she was driving hit the sink hole on Alabama 227 near Monsanto Road in Marshall County, according to Alabama Law Enforcement Agency.

Troopers said a passenger in the car also was injured. That person’s name has not been released.

Neither Davis nor the passenger were using seat belts, and both were taken to a hospital for treatment, troopers said.

The Marshall County Sheriff’s Office described one of the crash victims as pregnant. Troopers did not include that detail in their report.

The Alabama Department of Transportation said the sink hole is about 15 feet by 10 feet wide and about 5 feet deep.

The roadway is blocked from Old 227 Road to Highway 62.

ALDOT said Thursday’s heavy rain caused the sink hole, and that it will be monitored this weekend to see if additional rain worsens the problem.