Uber will take Transport for London (TfL) to court over new rules which would force its drivers to pass strict English tests.
London's Night Tube began on Friday with Sadiq Khan on board the first departure.
The long-awaited Night Tube will finally begin this weekend - almost three years since the plan was first announced.
Alasdair Clift is navigating all of London's 270 Underground stations in a single day, in memory of his brother who died from lymphoma.
The woman said she was left "shocked" and "embarrassed" after an angry commuter told her to prove she was expecting to gain a priority seat.
Derby-based company Bombardier has won a £1 billion contract to supply trains for the cross-London Crossrail project, the Department for Transport and Transport for London have announced.