Striking city workers are joining picket lines outside Philadelphia City Hall, public libraries and other worksites as nearly 10,000 unionized employees walked off the job in search of better pay and benefits.

Philadelphia residents have been warned to brace for a largescale workers' strike designed to shut down key infrastructure, such as garbage removal, starting Tuesday.

More than 9,000 city employees are on strike after contract talks fell apart between AFSCME District Council 33 and Mayor Parker’s administration, the first major city worker strike since 1986.