Two-and-a-half-thousand rail workers at the rail company, which runs services between the south west and London, are to be balloted
The RMT union's unhappy about what it says is a high number of unfair dismissals and the use of agency staff.
It claims there's been a breakdown of industrial relations at the company, which has just had its contract extended.
Deaths of man and woman in two counties being linked
Woman found dead in Torquay; man in Hampshire
Dawlish's black swan lose nests in floods
At least 10 eggs washed away
Trains cancelled as flood damage continues
Divers to inspect infrastructure
Torbay tourism facing pressures
Bay MP says tourist trade needs stability and help
What is the future of vulnerable but vital Slapton Line?
Millions of pounds have already been spent protecting the road
