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Well. Technically, you're in the wrong, because you appear to have been fully in the lane in the opposite direction. I can't see the police driver in the video, so there may well be an attitude thing I can't see, but I wouldn't necessarily castigate them for staying in their lane. I mean, I often do the same thing, going down the outside of a queue, but in this case I would have pulled in earlier than you.
https://www.youtube.com/watch?v=M2BWrgLBJ6Q&feature=youtu.be
Still tempted to tweet @MetCycleCops and tell them to have a word with their colleague.