This sounds familiar.
I’m just gonna leave this link here. I’m not in the space to discuss further now, but trust me when I say that details will come in the future. In the meantime, check out the following link because I know this story all too well. Please take this as a cautionary tale, and comment if you feel so moved.
Australian therapist given just a few days to leave Britain >>> http://www.independent.co.uk/news/uk/politics/fury-at-border-agency-over-case-of-the-australian-nhs-therapist-given-just-a-few-days-to-leave-britain-8935743.html