France’s MinFin: London to lose Euro Clearing

Well, would not call this unelected bureaucrat 'prominent'. Arrogant would come to mind instead, but what is new? It is a tight clique that has France in it's grip, and the upcoming election will confirm the status quo. But as the Eurodollar market has demonstrated, the clearing cannot be controlled by administrative Diktat, even it the fawning Scribblerati don't have the guts or brains to point this out!
France’s finance minister Michel Sapin: London to lost euro clearing business - Business Insider

BOE's Carney urges banks to prepare for all potential outcomes

OK, so what about WW3, Meteor impact? All these events COULD happen, more work for the jobsworths in the ever-expanding  regulatory realm.
Brexit: Mark Carney urges banks to prepare for all potential outcomes

Apocalyptic forecasts for UK Finance miss key points

I am tired to repeat the same old arguments (first published back in Feb 2016!) that Brexit is not the Armageddon that some predict. While some firms will boost their presence on the Continent London will benefit by being more open to the 'rest' of the World. Being in sole charge of policy the UK will be much more nimble than the multi-headed EU bureaucracy that has to satisfy 27 squabbling member states. And spreading staff all over Europe will do nothing for the efficiency of the (mostly) larger financial firms that de-emphasise London. Why triggering Brexit signals a long, slow bleed for the UK banking sector