Prince William returned on Thursday to official duties, visiting a charity ahead of a planned youth centre event, in his first public engagements since his wife Catherine revealed a shock cancer diagnosis.Heir to the throne as King Charles III’s eldest son, William has been largely out of sight since Catherine, Princess of Wales, announced last month that she was undergoing preventive chemotherapy.The revelation that the 42-year-old was receiving treatment for a cancer discovered following abdominal surgery triggered a wave of support from global leaders, family members, media and the public.Britain’s Prince William carries a tray of food with Claire Hopkins,...