They'll also take a pay cut to save a buddy's job.
Firefighters in Yonkers, N.Y., have agreed to work a shift without pay.
The money saved will restore the jobs of colleagues who were fired or demoted.
Their union approved the plan as part of a deal to save the department $450,000.
A dozen fire department members were laid off or demoted because of budget cuts, in the community just north of New York City.
