The seats where Brexit could decide the UK's election
In a handful of towns the UK's election could be won or lost.
These are the seats, or constituencies, where parties secured a slim majority at the last election in 2017
but where the overshadowing issue of Brexit could erode party loyalty.
Prime Minister Boris Johnson's ruling Conservatives, or Tories, are hoping to break the opposition Labour Party's so-called "red wall"
- a swathe of seats in northern and central England, once the country's industrial heartland, that have backed Labour for decades.
They could make headway because, of the 19 seats where Labour has a majority of less than 1,000 at the last election
12 of them, all in central, northern or eastern England, voted to leave the EU.
Constituencies like Crewe and Nantwich - a majority of 48, a Brexit vote of just over 60%.
For Crewe resident Jules Wilde, it's all a bit much.
(SOUNDBITE) (English) LOCAL RESIDENT, 62-YEAR OLD JULES WILDE, SAYING:
"It's like the Tory party who I never support are doing something that I support, when the Labour Party who I would always support are doing something totally different that I don't support. It's just too confusing."
By the Brexit-vote-to-margin measure, Johnson's Conservatives are in better shape.
Just four of their 17 constituencies with a less-than-1,000 majority backed remaining in the EU.
However, government minister Zac Goldsmith is under particular pressure in Richmond Park in the capital
He has a majority of just 45 in a constituency that voted by more than 70% to stay in the EU.
In this politically altered landscape, tactical voting is increasingly touted.
That's in places like Canterbury - where Labour and the smaller opposition Liberal Democrats have both fielded candidates.
Labour only has a majority of 187 - the fear is that the Liberal Democrats, who have said they will cancel Brexit, could split the remain vote.
It's a conundrum facing anthropology student Matthew NcNamara.
(SOUNDBITE) (English) ANTHROPOLOGY STUDENT AT UNIVERSITY OF KENT, MATTHEW MCNAMARA, SAYING:
"I don't know whether to vote for Labour just to keep the Tory person out or to vote for what I want. It's quite hard because it's a lot of tactics involved in voting rather than just being like what I want."
It's also true for the Conservatives in places like Crewe and Nantwich where they risk losing Leave votes to Nigel Farage's Brexit Party.
It's not standing against the Tories in seats they won at the 2017 election, but wants to take on Labour in such seats.
How the interplay between Brexit and party loyalty will be transferred into votes is unclear, even to polling experts
but it's pretty likely that on the morning of Friday 13, some lawmakers will find themselves unlucky enough to be out of a job.
