After the latest marathon with the city, which ended without a deal, Philadelphia's largest blue-collar union is moving toward going on strike at 12:01 a.m. Tuesday.AFSCME District Council 33 left Monday morning's negotiations with the Parker administration without a new contract in place.

The largest union for Philadelphia’s city workers could go on strike starting at 12:01 a.m. Tuesday, potentially impacting a slew of city services in the days leading up to July Fourth weekend celebrations.

District Council 33 leaders have been in talks with the city, but no deal has been reached. The current one-year contract extension, which included a five percent wage increase, expires on June 30.