King's Cross Underground Fire

On the evening of November 18, 1987, a fire broke out in the King’s Cross/St Pancras Tube station. Thirty-one people died and a hundred were injured in the worst accident that has ever occurred on the London Underground.

Christopher Newberry, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons.