Beer workers at the Carling plant in Burton-on-Trent, are to hold a strike ballot later this month.
The union Unite claims more than 400 staff at Molson Coors could be sacked after June 10, and reinstated on less pay.
The union says nearly 200 workers could lose as much as £9,000 a year in wages.
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Mostly dry and cloudy, with rain later.
Fog and light rain across the hills. Drier elsewhere. Mild.
The makers of US TV hit Glee have been given permission to mount a challenge against Midlands comedy club franchise The Glee Club.