Given the amount of tanks the UK has I think it would have to be "tank in city" - mind you tanks have been used in Glasgow! ;-)
https://euppublishingblog.com/2018/10/03/georgesquarebattle/
(more seriously, let's not forget the deployment of the Parachute Regiment to Northern Ireland, although that was a while ago)
Northern Ireland is a big part of why the UK doesn't think the optics of deploying tanks are a show of strength and doesn't think it comes without a cost...
https://en.wikipedia.org/wiki/Battle_of_George_Square
Given the amount of tanks the UK has I think it would have to be "tank in city" - mind you tanks have been used in Glasgow! ;-)
https://euppublishingblog.com/2018/10/03/georgesquarebattle/