Well there were a lot of factors in this crushing defeat but Corbyn's crazy manifesto didn't help in some of the key marginals
Brexit was a massive issue and corbyn would have saved some seats if he hadn't sat on the fence so much , the fact is , and I cant understand it is that in the very areas that were helped by European funding , people voted to leave
I am afraid they are going to be hit big time now a right wing tory government is in