Is everything OK over there, Britain? Have you tried turning the UK off and on again? ISPs, financial orgs fall over in Freaky Friday of outages

BT, Gamma, Nationwide, Tide, anyone else?

Today was more Friday the 13th than Friday the 31st in the UK, it seems. Not only is it Brexit Day, marking Blighty's withdrawal from Europe, but a bunch of services and internet connectivity broke."