Philadelphia's largest union representing trash collectors, police dispatchers and more — and the Parker administration as the municipal workers' strike continued into its third day on Thursday.DC 33 told CBS News Philadelphia the union and Mayor Cherelle Parker's administration returned to the negotiating table on Wednesday,

Many AFSCME DC 33 members have been itching for the union to take a dramatic stand against the city ever since then-Mayor Rendell won concessions in a 1992 contract. On Tuesday, they got their wish.

Trash piles are growing as Philadelphia's sanitation workers are on strike, along with thousands of other blue-collar workers who belong to AFSCME District Council 33.