Initial report on UK power cuts to be published August 20 - Ofgem

LONDON (Reuters) - Britain's energy regulator said it expects to publish an initial report by grid operator National Grid next Tuesday into what caused disruptive power cuts last week.An hour-long outage last Friday evening left almost 1 million homes without power while two of London's busiest train stations closed at rush-hour because of overcrowding as services were cancelled or delayed.Energy regulator Ofgem asked National Grid on Monday for an urgent report interim report into the causes by..