Tube drivers to go on strike next month

Tube train drivers who are members of the RMT union are to hold a series of strikes next month in a dispute about night tube driver grades.
The union says that the dispute is over a plan to abolish the night tube grade, a special grade created for people working the night tube service.
TfL wants to merge the night tube grade into the standard tube staff grade, which the RMT opposes as they argue it will lead to job cuts among the night tube staff. However, as the night tube is currently suspende