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.
Skydivers killed in Dunkeswell incident named
Investigations are underway
Manhunt for Salisbury man following Exmouth assault
He was last seen on 13 June
School closes following burst water main
Totnes hit by outage
Member of public helps police officer under attack
A man has been arrested
Battery storage site unanimously rejected over pollution fears
Another battery energy storage system (BESS) has been rejected
