A man whose crossover SUV collided with a school bus in northwestern North Dakota earlier this week has died from his injuries, authorities said Saturday.

The Highway Patrol says 79-year-old Carmie Nelson, of Kenmare, died Friday at a Minot hospital. He was driving a Ford Edge Tuesday afternoon that struck the Berthold Public Schools bus on a highway in Ward County near Carpio. The bus failed to yield to oncoming traffic.

A passenger in the Ford, 90-year-old Helen Nelson, of Kenmare, suffered serious injuries. Her condition has not been released.

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The 79-year-old driver of the school bus and seven juvenile students riding the bus were not injured, the patrol said.

The crash remains under investigation.