London staff will stage a 24-hour strike starting on after talks with managers broke down, the has said.

Members of the RMT and the Salaried Staffs Association (TSSA) have staged three strikes in recent months over threats to cut about 800 jobs.

Both sides met at the conciliation service Acas to discuss a resolution.

But the failure to reach a deal the prospect of widespread disruption on the network on Monday.

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