Canadian police have released dash cam video captured by a truck driver that they hope will help them to identify the motorists involved in an alarming display of dangerous driving.

From the Calgary Police Service:

Seeking Witness To Deerfoot Trail Dangerous Driving Incident

The #Calgary Police Service is looking to speak with the driver of a vehicle who witnessed a dangerous driving incident earlier this week.
On Tuesday, May 9, 2017, at approximately noon, two speeding vehicles were travelling southbound on Deerfoot Trail. As the vehicles approached the Glenmore Trail exit, they allegedly began cutting other vehicles off and tailgating as they changed lanes and drove erratically. Police hope to speak with the driver of a black Dodge Caravan, believed to have slammed on their brakes to avoid hitting the vehicles.
The speeding vehicles are described as a white Dodge Ram truck and a green four-door Lexus with tinted windows. The driver of the truck is described as a Caucasian male in his early 30s. He was wearing a ball cap and sunglasses. The driver of the Lexus is described as a Caucasian male in his early 20s.
The driver of the Dodge Caravan or anyone with information about this incident is asked to call police at 403-266-1234 or Crime Stoppers anonymously using any of the following methods:
TALK: 1-800-222-8477
TEXT: tttTIPS to 274637
Case #17188832 / 3231″

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