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Massive pile-up after tractor-trailer crashes in Maryland

Name: Massive pile-up after tractor-trailer crashes in Maryland
Uploaded: 2018-03-19T12:06:27-0400
Duration: 1 min 14 s
Description: A 20-car pile up in Maryland is being treated as a "mass casualty incident," EMS says. The accident occurred when a tractor-trailer carrying a load of gravel and stones crashed.

A 20-car pile up in Maryland is being treated as a "mass casualty incident," EMS says. The accident occurred when a tractor-trailer carrying a load of gravel and stones crashed.