Telegraph: Some 4,000 cities in more than 120 countries switched off to reduce energy consumption at 8.30pm local time. In Britain, the lights went out at Buckingham Palace and Downing Street as well as Big Ben and other UK landmarks. Chelsea manager Luiz Felipe Scolari backs Rafael Benitez’s rant at Sir Alex Ferguson The event began in the remote Chatham Islands off the coast of New Zealand, where, as local time hit 8.30pm, light switches were flicked to the off …