Add to this the now very likely BOE "No Hike" scenario. They are certainly worried about a weak GBP as it drives up - but what can they do? As BOE Vice deputy Cunliffe said himself last week "I see no sustainable domestic pressure" and that's the whole dilemma. Hiking now wont solve anything but make things worse as it will squeeze the consumer and the economy further, and the short lived surge in GBP will achieve nothing. In fact, it will most likely guaranty an even bigger fall later when the Brexit reality kicks in for real.
The Friday sell off pictures an almost text book deep ZZ correction and I expect it to be completed with a small gap down on Sunday opening, mostly due to Catalonia, offering a gift of a dip that should be bought imo. It hard to judge how big the gap will be and maybe it has closed already before most platforms opens. I expect this pair to then continue the main correction up above .91, before the main GBP rally kicks in later towards years end.
NOTE: This is just an idea and no trading advice, there is a risk I may be wrong and if you trade this you ought to manage your risk properly.