British actor Idris Elba is knighted by King Charles III and becomes “Sir Idris Elba.” Multiple outlets report the investiture takes place at Windsor Castle, where King Charles taps recipients with a sword and formally confers knighthood. The honour is described as recognizing Elba’s work related to young people and charitable causes, including youth advocacy and youth empowerment. One source notes his Elba Hope Foundation, which supports community development and education. Other outlets describe the ceremony as part of broader honours given to several public figures at Windsor Castle on Tuesday, including additional actors and figures receiving knighthoods and damehoods. While some coverage references Elba’s entertainment profile and public visibility, all sources converge on the same core facts: King Charles III performs the knighting, the setting is Windsor Castle, and Elba receives a knighthood linked to services to young people. The articles also consistently frame the event as an investiture ceremony following recognition in the honours system.