London Underground dispute statement
An Acas spokesperson said:
"Talks took place at Acas on Friday 7 February and the parties have adjourned to consider their positions. All parties have agreed to continue with further discussions on Monday."
Update - Tuesday 11 February
"Talks have adjourned at Acas this morning. London Underground will be writing to the trade unions with some proposals to end this dispute.
"We are hopeful of a positive response so that the proposed industrial action will be withdrawn."
Additional update - Tuesday 11 February
John Woods, Deputy Chief Conciliator, says:
"We welcome the news that the proposed industrial action has been withdrawn. We want to thank all the parties involved for their hard work and commitment over ten days of intensive talks with Acas."