December 9, 2012 9:30 am Block of Walnut Closed, Shops Open A water main break at 16th and Walnut in Center City is fixed, but Walnut between 16th and 17th is closed. It may stay that way for a week. NBC10’s Marisa Brahney reports. US & World Videos 1:30 Protests calling for ceasefire continue at Penn 6:33 Family affair: Former Eagle and new Eagle Jeremiah Trotter and Jeremiah Trotter Jr. speak out 0:20 Teen girl shot in Southwest Philly, suspect in custody 0:27 FBI inspects American Airlines plane at PHL after bomb threat 1:40 Penn officials urging pro-Palestinian protesters to pack up and leave campus