UND's existing medical school is 60 years old.

The North Dakota Senate has approved just under $124 million for a new University of North Dakota medical school.

The Grand Forks Herald reports (http://bit.ly/Z2LJjL ) that the proposed expansion of the medical school is being driven by concerns that the state's growing population of senior citizens and oil patch workers will worsen a shortage a health care workers.

The state House must also approve the funding.

UND's existing medical school is 60 years old. The university unsuccessfully sought $29 million for an expansion during the 2011 Legislature.