Drivers on the London Underground will be balloted for industrial action in a dispute linked to the Night Tube, a union spokesman has said.
Members of the Rail, Maritime and Transport union (RMT) are to vote in the coming weeks on whether to launch a campaign of action .
The RMT union accused London Underground of not honouring an agreement on career progression into full-time jobs for drivers of the Night Tube .
The service was launched just over a year ago but the union is now claiming drivers have been “denied career opportunities” in that time.
Public transport news
RMT general secretary Mick Cash said that the union has been left with “no alternative” but to call for a ballot for industrial action.
“Staff are rightly angry and frustrated that an agreement that would have allowed Night Tube drivers to progress to full-time driver jobs is being flouted by the company,” he said.
“That is wholly unacceptable and has left RMT with no alternative but to declare a dispute and begin preparations for a ballot."
Mr Cash added: “RMT remains available for talks but we will not sit back while our members are denied the career options that they deserve.”
A planned strike by drivers in Aslef was called off earlier this month after talks over demands for a four-day week and a reduction in weekend duties.
This, according to the union, had been agreed as part of the deal to set up the Night Tube.
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