Infighting, departures and gaffes: An eventful week in British politics

A power struggle at Downing Street, Dominic Cummings out and a damaging gaffe by the Prime Minister to do with Scottish devolution, all while the Labour party finds itself at odds, once again, over former leader Jeremy Corbyn. Will the upheaval in Boris Johnson’s team make a Brexit deal more or less likely? London editor Denis Staunton reports on a turbulent week in British politics.