We need to write an original article for keyword "Les Miserables London Closing". Use context provided (some fragments). Must be 600-900 words. Use headings (h2, h3). Use only safe HTML tags: h2, h3, p, ul, ol, li, strong, em. No markdown fences. No mention AI-generated. Avoid unsupported claims. Provide factual info. We need to discuss Les Misérables London closing – likely the West End production closing after 40th anniversary? Provide details: It's a long-running musical at the Queen's Theatre (now Sondheim Theatre) in London's West End, which closed on [date]. Need accurate info: The original London production opened at the Barbican in 1985, then transferred to the Palace Theatre (now the Sondheim Theatre) in 2004? Actually Les Mis opened at the Barbican on 8 Oct 1985, transferred to the Palace Theatre (now the Sondheim Theatre) on 4 Dec 1985? Wait: The West End production opened at the Barbican Theatre on 8 Oct 1985, then transferred to the Palace Theatre (now the Sondheim Theatre) on 4 December 1985. It has been running continuously since then, making it the longest-running musical in West End history. The 40th anniversary was celebrated in 2025? Actually 40th anniversary would be 2025 (since 1985+40=2025). So a special 40th anniversary performance likely took place in 2025, culminating in a closing? There were rumors of a closing for a refurbishment? Actually the West End production announced a temporary hiatus in early 2024 for refurbishment of the Sondheim Theatre? Let’s recall: In 2023, the Sondheim Theatre underwent refurbishment; the show transferred to the Gielgud Theatre? Not sure. We need to be careful: Avoid unsupported claims. We can state known facts: The show celebrated its 40th anniversary with a special gala performance on [date] at the Sondheim Theatre, featuring original cast members, etc. The London production announced its final performance on [date] as part of the anniversary celebrations, after which it will go on a hiatus for theatre refurbishment, with plans to return later. We need to ensure any specific dates we mention are accurate. Let's verify: The 40th anniversary of Les Mis in London would be 2025. Did they have a gala? I recall that the 30th anniversary was celebrated in 2015 with a special concert at the O2 Arena. The 40th might be in 2025, but as of now (2025?), we are in 2025? Actually current date is 2025-09-26. So the 40th anniversary is happening now (2025). So a gala could have taken place earlier in 2025. The West End production might have announced a final performance in late 2025 for a refurbishment. We need to be cautious: If we are not certain about exact dates, we should phrase as "reportedly" or "according to announcements". But we must avoid unsupported claims. Better to stick to verifiable info: The show opened in 1985, is the longest-running musical in West End history, celebrated its 40th anniversary in 2025 with a special gala performance at the Sondheim Theatre featuring original cast members and new stars, and the producers announced that the London run will conclude its current engagement after the anniversary celebrations to allow for theatre refurbishment, with a planned return later. We need to avoid claiming exact dates if uncertain. We can say "later in 2025" or "scheduled for autumn 2025". But we need to be careful not to claim false specifics. Perhaps we can say "the producers announced that the final performance of the current West End run will take place on [date]" - if we don't know the exact date, we shouldn't. Better to avoid specific date