More railway workers are to be balloted for strikes amid growing disputes across the industry, increasing the threat of disruption to services over the summer.
The Transport Salaried Staffs' Association (TSSA) has served notice to ballot its members at Greater Anglia for strike action and action short of strike over pay, conditions and job security.
The TSSA is also balloting its members in Network Rail, CrossCountry, East Midlands Railway, West Midlands Trains, Avanti West Coast, Northern, LNER, C2C, Great Western Railway (GWR) and TransPennine Express.