The Babbage ruling may affect those without current Zimbabwean passports who are not willing to return voluntarily to Zimbabwe. If you think it affects you, speak to your legal representative.

http://www.bailii.org/ew/cases/EWHC/Admin/2016/148.html

There is a detailed note about the case together with the judgment and transcripts of the hearing on the Bhatt Murphy website:

http://www.bhattmurphy.co.uk/bhatt-murphy-111.html#746