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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52-year-old David Cooley died on Thursday after sustaining serious head injuries during an altercation outside a pub in Leicester.
Monday will see another fine and dry day after a cloudier start for some.
Low cloud will gradually become confined to the coast allowing sunny spells in the afternoon.