M61, near junction 5, after a man fell from a bridge. As another police car came to assist, a black Citroen sat behind the unmarked vehicle tried to get past, forcing the approaching police car to swerve out of the way.
Posting the video on social media, a spokesman for the traffic division of Greater Manchester Police (GMP) wrote: "It's hard enough to implement a motorway block on the best of days but then sometimes there's always one driver who thinks this doesn't apply to them!
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