Karen Chisholm
Given the 45% reference I've definitely decided to mention that this short story is from Scotland (and not just the UK :) )
From the Blurb:
It’s the night of the big Referendum, and all Acting Detective Inspector Logan McRae has to do is find a missing ‘No’ campaigner. Should be easy enough…
But, as usual, DCI Steel has plans of her own. As the votes are counted there’s trouble brewing in the pubs and on the streets of Aberdeen.