SAKHIR, Bahrain :Title favourite Lando Norris was fastest for Formula One champions McLaren after a power cut disrupted the first day of pre-season testing in Bahrain on Wednesday. The track action was extended by an hour into the evening to compensate after a power cut plunged garages into darkness and brought out red flags. Sakhir circuit authorities said the outage was caused by an external substation failure. Ferrari's Charles Leclerc had been top at the time, with Mercedes' Italian rookie