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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A cool and dry morning with sunshine, but well-scattered showers are likely to develop during the day with the odd heavy one possible later
Generally dry and sunny throughout the morning after a frosty start. Scattered showers this afternoon.
Mark Williams from Wolverhampton was on a trekking expedition when the earthquake struck, and his family have not heard from him since.