![Notre Dame Cathedral fire cause remains a mystery as workers rush to secure Notre Dame's weakened structure today - live updates Notre Dame Cathedral fire cause remains a mystery as workers rush to secure Notre Dame's weakened structure today - live updates](https://assets3.cbsnewsstatic.com/hub/i/r/2019/04/17/18f6e74c-f4dc-4404-aa96-e8c839ef66e6/thumbnail/640x427/8bf83913a272e7f2b2ab66096868d00a/notre-dame-interior-2019-3-2019-04-16.jpg)
Notre Dame Cathedral fire cause remains a mystery as workers rush to secure Notre Dame's weakened structure today - live updates
![Stained glass windows visible within the remains of the Notre Dame Cathedral in Paris, following a fire which destroyed much of the building on Monday evening Stock Photo - Alamy Stained glass windows visible within the remains of the Notre Dame Cathedral in Paris, following a fire which destroyed much of the building on Monday evening Stock Photo - Alamy](https://c8.alamy.com/comp/T4EAJM/stained-glass-windows-visible-within-the-remains-of-the-notre-dame-cathedral-in-paris-following-a-fire-which-destroyed-much-of-the-building-on-monday-evening-T4EAJM.jpg)
Stained glass windows visible within the remains of the Notre Dame Cathedral in Paris, following a fire which destroyed much of the building on Monday evening Stock Photo - Alamy
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