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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It's cloudy with bright intervals this morning with showers moving eastwards.
There are showers mixed with sunny spells this morning, with heavy showers possible in the afternoon.
Some showers, although many places will stay dry.