http://www.bbc.com/news/uk-england-london-33512655
"London Underground drivers will stage a second 24-hour strike in a dispute over night Tube plans, the Aslef union has said.
The walkout, set to start at 21:30 BST on 5 August, follows a strike that closed the entire network last week.
Conciliation service Acas has invited both sides to hold talks on Tuesday in a bid to avert the fresh strike."
"London Underground drivers will stage a second 24-hour strike in a dispute over night Tube plans, the Aslef union has said.
The walkout, set to start at 21:30 BST on 5 August, follows a strike that closed the entire network last week.
Conciliation service Acas has invited both sides to hold talks on Tuesday in a bid to avert the fresh strike."