The Independent is a left wing paper but it makes the case that #Copeland is a vote on Corbyn (and nuclear)

This is a good read and worth it - I have been repeatedly to Copeland and across west Cumbria Jeremy Corbyn is utterly toxic.
http://www.independent.co.uk/news/uk/politics/in-nuclear-copeland-its-jeremy-corbyn-thats-radioactive-a7586266.html