An ambulance driver was critically injured in a crash in Howard County that involved several other vehicles, authorities said.
The crash occurred on Route 1 in the Elkridge area of the county, and all lanes of the thoroughfare were closed for a time, the county police said.
One vehicle in the collision at Kit Kat Road was described as a tractor trailer.
In addition to the ambulance driver, six other people were injured. Their injures were said to be minor.
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