Philadelphians and tourists celebrated Independence Day Friday in America’s birthplace as a city workers strike prompted LL Cool J and Jazmine Sullivan, coheadliners of the Wawa Welcome America concert,

The Benjamin Franklin Parkway in Philadelphia will be packed for the Wawa Welcome America concert and fireworks spectacular.

A sour note for Philly's Party on the Parkway. Both headliners of the Wawa Welcome America Fourth of July concert, LL Cool J and Jazmine Sullivan, have canceled their performances, refusing to cross the picket line as the strike by thousands of city workers stretches into its fourth day.