London, Aug. 16 -- Porsche's Pascal Wehrlein delivered a defining performance at the ExCeL Arena, dominating Race 1 of the London E-Prix to seize the Formula E world championship lead here on Saturday. While German Wehrlein had a perfect race at the front of the pack, a chaotic and physical midfield scrap resulted in significant post-race shakeups, most notably for Mahindra Racing's Edoardo Mortara, whose dramatic drive ended with a five-second penalty that pushed him from fifth to seventh at the finish. Wehrlein's drive was a masterclass in energy management, patience and tactical execution. Navigating the unique indoor-outdoor ExCeL circuit, notorious for its tricky grip transitions from the smooth indoor tarmac to the abrasive outdoor se...