Union leaders have fired the opening shots in what could be a bitter campaign over big cuts to London Underground.
The RMT claims London Underground managers are about to announce a programme of ticket office closures and the introduction of driverless trains. RMT General Secretary Bob Crow said:
Bob Crow believes the tube network will be reduced to a "dangerous and hollowed out shell where safety is compromised and passengers are left at risk the minute they step onto a station or train."
In a statement, London Underground Managing Director Mike Brown said: