Rail staff on part of the Greater Anglia network are being balloted on strike action after the RMT union accused the operator of "ripping up" procedures.
Members of the Rail Maritime and Transport union on Greater Anglia's West Anglia route will vote in the next few weeks on whether to launch a campaign of industrial action.
The union claims that changes being planned by the company will lead to the axing of station cleaners' jobs.
More top news
If you're dreading going to work Monday morning, how about this for a career change.
Police have released more images of people wanted in connection with what they describe as 'disorder' at a McDonalds in central London.
Four teenage girls, one of them aged 15, have been arrested following what police are describing as "disorder" at a McDonalds branch.