Lando Norris headlined Formula 1's second practice session for the Las Vegas Grand Prix, which was interrupted twice in the final 20 minutes by red flags for a suspected loose manhole cover at Turn 17.<br>In a session preceded by light rain, it took five minutes before the drivers elected to brave a presumably slippery circuit - and it took much of the opening half to build up towards Charles ...<a class='more' href='https://www.autosport.com/f1/news/f1-las-vegas-gp-fp2/10778415/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>