Health workers are to walk out over pay cuts in the first strike at a Sheffield hospital for more than 30 years.
Low-paid Unison members in the bulk stores at the Northern General hospital are set to strike on Monday 20 August.
The strike comes after a 90 percent vote for action in a ballot.
The dispute involves 15 members of staff in the bulk stores department who have been told attendance and performance payments – worth up to £3,000 each – will be cut from their pay packets.
The workers – who earn between £10,000 and £12,000 a year – face real hardship from the pay cuts.
The union is planning a lunchtime protest on the strike day in support of the striking workers.
Unison also wants to highlight an ongoing dispute with hospital management over plans to deduct wages or annual leave from those unable to get in to work during the floods.
Managers told staff that pay will be deducted because they failed to report for work, despite road closures, bus cancellations and safety fears across the city and police warnings for people to stay at home.