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18 November 2012, 09:19
The RMT union are marking the 25th anniversary of the King's Cross disaster today with a protest.
31 people died in November 1987 when fire ripped through part of the London tube station.
The fire is thought to have been started by a dropped match.
It led to tighter standards on the London Underground, but a quarter of a century on, the union says it's still worried about safety.
RMT general secretary Bob Crow said: "Due to a culture of complacency and systemic failure, 31 people lost their lives at King's Cross.
"We are marking the event with a public demonstration to send out the message that never again must the London Underground be dragged back to the same catalogue of complacency and failures which led us to King's Cross."
He called on London mayor Boris Johnson "to end once and for all the threatened cuts to station and platform staffing levels, the cuts to maintenance schedules and the persistent threat to bring in driverless trains".