HOWARD COUNTY, Md. — Howard County Police are investigating a vehicle collision in which a school bus overturned.
Of the 19 Hammond Middle School students on the bus, two boys and two girls, ages 11-14, were taken to the hospital for a checkup.
The driver, a 30-year-old woman, was not injured.
The bus left the roadway for an unknown reason and no other vehicles were involved.
Police say there were no indications of driver impairment.
None of the injuries are life-threatening at this time.
The cause of the collision remains under investigation.