Lewis Hamilton and Charles Leclerc are under investigation following a potential breach of rules governing the floor of their cars – and could be disqualified from Sunday’s United States Grand Prix. Hamilton and Leclerc, who finished second and sixth respectively in the race won by Max Verstappen, are being investigated by the stewards following a plank wear inspection in Austin. The FIA note reveals that the cars of Verstappen and Lando Norris were also inspected, but passed the checks. The report from FIA technical delegate Joe Bauer states: “A physical floor and a plank wear inspection was carried out on car numbers 16 [Leclerc] and 44 [Hamilton]. “The skids located in this area are found to be not in compliance with Article 3.5.9 e) of the 2023 Formula One Technical Regulations. “I am referring this matter to the stewards for their consideration.” Both Mercedes and Ferrari have been summoned to see the stewards. The section of the rulebook referred to reads: “The thickness of the plank assembly measured normal to the lower surface must be 10mm [plus or minus] 0.2mm and must be uniform when new. “A minimum thickness of 9mm will be accepted due to wear, and conformity to this provision will be checked at the peripheries of the designated holes.” Breaches of technical checks of the car often result in disqualification, with a recent example being Hamilton from qualifying in Brazil in 2021. The seven-time world champion was already in hot water after crossing a live track at the last race in Qatar and was spoken to again in Texas due to his status as a “role model.” Leclerc started Sunday’s race on pole but, opting for a different strategy, fell behind after Lando Norris stole a march on the Ferrari at the start. Hamilton, meanwhile, came close to victory after reeling in Verstappen at the end. The 38-year-old has now not won in nearly two years, with his last victory coming in Saudi Arabia in December 2021. A disqualification would mean Hamilton loses 18 points in the championship standings, while Leclerc would lose eight points. Read More Lando Norris reflects on 2023 win prospects after another near-miss in Austin Lewis Hamilton rues Mercedes error which cost him victory at US Grand Prix Max Verstappen booed by American fans on podium after victory Max Verstappen defies Lewis Hamilton to edge United States Grand Prix victory F1 United States Grand Prix LIVE: Race reaction and results in Austin Max Verstappen holds off Lewis Hamilton challenge to win US sprint race

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Manchester United are expected to pay further tribute to Sir Bobby Charlton ahead of Tuesday’s night’s Champions League match at Old Trafford. The United Trinity statue outside the ground was awash with tributes to Charlton on Sunday as supporters laid flowers and scarves, with many leaving deeply personal thoughts for one of the club’s most famous sons, following his death aged 86. A book of condolence was opened at the International Suite inside the stadium, while current boss Erik ten Hag and members of the United squad were adding their own messages at Carrington. United confirmed discussions were continuing to take place with Charlton’s family and UEFA for further commemorative plans ahead of Tuesday’s night’s Champions League Group A match against Copenhagen. It is expected players will wear black armbands, with wreaths to be laid on the Old Trafford pitch and a minute’s silence observed ahead of kick-off. A key member of England’s victorious 1966 World Cup team, Charlton also enjoyed great success at club level with United, who became the first English club to win the European Cup in 1968. Charlton made his debut for United in 1956 and went on to play 758 matches, scoring 249 goals. Both were long-standing club records until they were overtaken by Ryan Giggs and Wayne Rooney, respectively. He was knighted for services to football in 1994. Having won three league titles and one FA Cup at Old Trafford, Charlton left United in 1973 and went on to manage Preston before returning to the Red Devils 11 years later as a club director. David Moyes took over from Sir Alex Ferguson as Manchester United manager in the summer of 2013, but the former Everton boss left the club after just 10 months, with the team seventh in the Premier League table. Now in charge at West Ham, Moyes reflected on the support shown by Charlton during what was one of the most testing spells of his managerial career. “I’m deeply saddened and I send my condolences to all his family. The biggest thing everyone remembers, more than anything, is how great a man he was. He was such a good man,” Moyes said, quoted on West Ham’s club website. “For me, it was difficult at times at Manchester United and he was incredibly supportive and always had something to say to me. “He had a great wife in Lady Norma and even when I lost my job, she phoned my wife up, which was really important at the time. “For me, he carried off all the things that Manchester United were good for. He showed the traditions, he showed exactly how it should be, he showed great humility wherever he went, but not only that at Manchester United, he was ultimately one of the main people in English football over the years. “When you think of the greats who have come through English football, Bobby Charlton would definitely be in there.” It was announced on Saturday afternoon that Charlton had died peacefully in the early hours of the morning surrounded by his family. Born in Ashington on October 11 1937, Charlton played in the World Cup final alongside his brother Jack – who died aged 85 in 2020 – and won 106 caps for England, scoring 49 goals. European Cup success with United came 10 years after the Munich air disaster, which Charlton and manager Sir Matt Busby survived, but which claimed the lives of eight of his team-mates. Former team-mate Denis Law said on manutd.com: “Another sad day. What can I say. Sir Bobby was an unbelievable player and a gentleman. Manchester United meant everything to him. “We had many special and successful years together and he was a joy to play with. He knew where every player was on the pitch and for me that was a dream. I knew, if Bobby had the ball, it would find me and it did. “What a striker of the ball he was. He could hit the ball so hard that I knew most keepers didn’t stand a chance. On the rare occasion they did manage to deflect it, it would drop nicely to me to finish it off. “Along with George (Best), our partnership was sealed. The great part of playing with Bobby and George was that if one of us was having a bad day, the other two knew and that’s what made our relationship special. I am saddened by the news, like all football fans today.” Charlton was diagnosed with dementia and his condition was made public in November 2020, two days after his United and England team-mate Nobby Stiles died following his own battle with the illness. Tributes were left at Old Trafford this weekend, one which read: “Thank you Sir Bobby, a hero to the worldwide football family,” while a message from fan group The 1958 said: “History, dignity and integrity is what you gave to our great club. Our promise to you is to make sure it stays.” Manchester United Women manager Marc Skinner dedicated Sunday’s 5-0 win at Everton to Charlton. “He changed football in my opinion, especially at my club, so that was for him and for his family,” Skinner said. Read More Pep Guardiola admits winning treble has taken toll on Manchester City Gary O’Neil determined to repay Wolves for their faith after Bournemouth sacking Ange Postecoglou hopes Fulham clash offers ‘escape’ from troubles amid conflict Courtney Lawes to retire from England duty when Rugby World Cup ends Sjoeke Nusken bags brace as joint leaders Chelsea strike back to beat Brighton The tributes in pictures as football family remembers Sir Bobby Charlton

They are playing at home which could be an advantage but also a pressure point, writes Suresh Menon.