Philadelphia Firefighters' Union, Local 22 v. City of Philadelphia

OPINION

Justice BAER.

The International Association of Firefighters, Local 22, AFL-CIO, and its named officers (collectively, the Union) is the collective bargaining unit representing the City of Philadelphia’s firefighters and paramedics. It appeals from the order of the Commonwealth Court, which reversed the trial court’s grant of peremptory judgment in mandamus for the Union and against the City of Philadelphia, Mayor Michael A. Nutter, Richard Negrin, and Lloyd Ayers (collectively, the City), and required the City to fill vacancies immediately in the positions of Fire Captain and Fire…