London Underground drivers are to stage further strikes in a dispute over their working arrangements, according to their union.
The union has not provided details in the supplied information about when the industrial action will take place, how long it will last or which services could be affected.
The dispute centres on arrangements governing the work of Tube drivers. The latest announcement indicates that the disagreement with London Underground remains unresolved and is now set to lead to additional strike action.
Further details about the proposed strikes and any response from London Underground were not included in the available material.